506 results for "dark energy"

“Ancient black holes would give us access to physics we would never otherwise be able to do,” wrote Dan Hooper, head of the theoretical astrophysics group at Fermilab, in an...

Ever since astronomers reached a consensus in the 1980s that invisible “dark matter” binds galaxies together and gravitationally shapes the cosmos — experimentalists have hunted for the elusive nonluminous particles....

Posted on Nov 24, 2020 in Science The long-held belief that the Milky Way, harboring Earth and our solar system, is relatively static has been dispelled. In a violent, dynamic...

Posted on Nov 9, 2020 in Astronomy, Extraterrestrial Life, Science New lab experiments at NASA’s Jet Propulsion Laboratory have simulated the environment of Jupiter’s storied ocean-moon, Europa, perhaps the most...

The blurry orange image of the monster black hole the size of our solar system at the center of massive elliptical galaxy M87 captured by the Event Horizon Telescope (EHT)...

Everything we know about the universe and all the laws of physics, apply to four percent of the universe. The other 96 percent are the unknown phenomena of dark matter...

“Perhaps the most significant sign of the existence of dark matter, however, is our very existence,” observes Harvard theoretical physicist, Lisa Randall in Nature about the elusive substance that permeates...

Posted on Sep 19, 2020 in Astronomy, Black Holes, Cosmology, Science Noble-Prize laureate Subrahmanyan Chandrasekhar, for whom NASA’s Chandra X-Ray Observatory was named, described black holes as “the most perfect...

“One new theory says that dark matter may be ordinary matter in a parallel universe. If a galaxy is hovering above in another dimension, we would not be able to...

Posted on Jul 5, 2020 in Evolution, Genetics, Science Scientists don’t yet know if a particular piece of human DNA passed down from Neanderthal interbreeding 60,000 years ago increases the...

Posted on Jun 10, 2020 in Science In 2018 a team of physicists linked to the massive IceCube Observatory detector buried under the South Pole, and to a command center...

Posted on Jun 13, 2020 in Astronomy, Science During this dark age, there was no light-based signal we can study —”there was no visible light” said University of Washington professor...

Could dark matter particles the size of galaxies exist, or a anti-gravitational force field we call “dark energy” that might be getting stronger and denser, leading to a future in...

Posted on Aug 9, 2022 in Astronomy, Dark Matter, Science All the light in the observable universe provides about as much illumination as a 60-watt bulb seen from 2.5 miles...

Posted on Jun 15, 2020 in Astrophysics, Dark Matter, Physics, Space The cosmos contains a Higgs field—similar to an electric field—generated by Higgs bosons in the vacuum. Particles interact with...

Posted on May 5, 2020 in Dark Matter, Physics, Science Dark matter pushes at the boundaries of the known fundamental laws of physics, encapsulated in the Standard Model of particle...

Posted on Apr 20, 2022 in Astronomy, Astrophysics, Dark Matter, Science The frustrating quest for dark-matter continues. An unidentified X-ray signature recently observed in a nearby galaxy clusters is not...

Posted on Jan 9, 2020 in Astronomy, Dark Matter, Science Although the type of particle that makes up dark matter is still a mystery, a NASA team using the Hubble...

From dark-matter life to billion-year old technological civilizations: In 2019, several leading astrophysicists from NASA to Harvard and Columbia universities have publicly announced their view that aliens are not science...

Posted on Nov 4, 2019 in Astronomy, Featured Articles, Science, Space A Star the Size of an Atom “Everything Goes Haywire” –Setting the Stage for the Big Bang 5,000 Robotic...

Posted on Oct 9, 2019 in Astronomy, Dark Matter, Physics, Science “Finding the axion is a bit like tuning a radio: You have to tune your antenna until you pick...

Posted on Oct 19, 2019 in Cosmology, Dark Matter, Physics, Science, Space “The really exciting thing about primordial black holes is that there are so many mysteries that in principle...

“We always thought of our Galaxy as an inactive galaxy, with a not so bright center,” said Magda Guglielmo from the University of Sydney about 2019 Hubble Space Telescope data...

Posted on Sep 13, 2019 in Astronomy, Dark Energy, Physics, Science, Space In an interview with The Atlantic, Nobel-Prize winning physicist Adam Riess said: “I have absolutely no clue what...

“At first, we thought it was absurd,” said theoretical physicist Asimina Arvanitaki, at the Perimeter Institute for Theoretical Physics, who proposes that black holes can be thought of as nature’s...

The discovery of the Higgs boson in 2012 has proved to be a source of rich speculation for particle physicists. In 2019, researchers proposed that three types of very high-energy...

“We do not know what dark matter is, but if it has anything to do with any scalar particles, it may be older than the Big Bang,” says astrophysicist Tommi...

Two of the planet’s leading astrophysicists, Columbia University’s Caleb Scharf and Harvard’s Lisa Randall speculate about the possibility of the dominant dark side of our universe harboring advanced life. “It’s...

Posted on Aug 30, 2019 in Astronomy, Extraterrestrial Life, Science, Space Something mysterious floats amidst the clouds of Venus –strange, dark patches, called “unknown absorbers” because they absorb large amounts...

Researchers are proposing the idea of using our planet itself as a “paleo-detector” to solve the enduring mystery of dark matter: Earth has been orbiting through interplanetary space for some...

Posted on Aug 8, 2019 in Astronomy, Dark Matter, Physics, Science, Space “If dark matter were truly a remnant of the Big Bang, then in many cases researchers should have...

Posted on Aug 5, 2019 in Astronomy, Cosmology, Dark Matter, Science, Space New theories of the enduring dark matter mystery range from planet-sized particles to dark-matter life. One of the...

Posted on Jul 2, 2019 in Astronomy, Cosmology, Physics, Science, Space “Let’s imagine that dark matter consists of several components, as in ordinary matter (protons, electrons, neutrons, neutrinos, photons). And...

The universe, perhaps surprisingly, is not comprised of galaxies randomly distributed throughout space; that is, it is not very homogeneous. Instead, its galaxies are clustered into distinct structures that harbor...

Posted on Jun 12, 2019 in Astronomy, Cosmos “If we look at these patches of the sky with the naked eye, they appear quite dull because they are literally empty,...

“A superfluid is a very interesting kind of fluid,” says physicist Justin Khoury, a professor at the University of Pennsylvania, who focuses on the interface of particle physics and cosmology....

“We tend to think about particles as being tiny but, theoretically, there is no reason they can’t be as big as a galaxy,” says Asimina Arvanitaki, The Aristarchus chair in...

Stephen Hawking warned before his death on March 14, 2018, that “the real risk with AI isn’t malice, but competence.” Hawking foreshadowed the big surprise to astrophysicists, who in 2019...

Posted on May 26, 2019 in Astronomy, Science, Space, Universe How supermassive black holes formed at the birth of a galaxy “is one of the last great mysteries of the...

Posted on Jun 19, 2021 in Physics, Science  “It’s entirely plausible that there could exist multiple forms of matter and energy that we have not yet discovered,” cosmologist and particle...

Posted on Mar 20, 2019 in Astronomy, Physics, Science “There is really no conclusion to be drawn at this point, other than mounting suspense,” says Juan Collar, a physicist at...

Posted on Mar 28, 2019 in Science “We hope to next find out how common these galaxies are and whether they exist in other areas of the universe,” said astronomer...

Posted on Mar 18, 2019 in Climate Change, Science China is swooping in on a global scale to fill a vacuum NASA has abandoned. Space stations and satellites use solar...

Posted on Mar 29, 2019 in Astronomy, News, Physics, Science “Inconveniently, dark matter is “dark” in the sense that it hardly interacts with anything, particularly with light. Apparently, in some...

Posted on Mar 13, 2019 in News, Science The “Planet Earth Report” connects you to headline news on the science, technology, discoveries, people and events changing our planet and the...

The “Planet Earth Report” connects you to headline news on the science, technology, discoveries, people and events changing our planet and the future of the human species. The Mystery of...

The first “theory” of the dark cosmos was embodied in the Greek god of darkness, Erebus, one of the primordial deities born out of Chaos, the primeval void, foreshadowing the...

Posted on Jan 3, 2019 in Astronomy, Physics, Science “This study may be the “smoking gun” evidence that takes us a step closer to understanding what dark matter is,” says...

Posted on Jan 4, 2019 The “Planet Earth Report” connects you to the days’ headlines on the science, discoveries, and events changing our planet and the future of the human...

This month, scientists will turn on an instrument, the Positron Annihilation into Dark Matter Experiment (PADME), at the National Institute of Nuclear Physics near Rome, which is designed to hunt...