Universe
5 Unexplained Mysteries of the Universe
For decades, scientists have been boggled by outstanding questions about the fundamental nature of everything.
Astronomers Want Volunteers to Help Spot Water-Rich 'Active' Asteroids
Scientists ask amateur astronomers to help seek clues about the origin of water, among other celestial mysteries.
A Photographer Spent 12 Years Making This Massive Image of the Milky Way
A Finnish artist who turned his camera skyward 25 years ago has completed an unprecedented image of the Milky Way.
NASA Telescope Opens Mirror on Earth for Last Time Before Orbiting Sun
The test marks a key milestone in the lead up to the launch on October 31, 2021.
Mattel relaunches Castle Grayskull for He-Man's 38th birthday
"With the relaunch of Castle Grayskull, we have reimagined one of the most iconic playsets of all time to capture the mystique, love and excitement of the original as the ultimate tribute to fans, new and old alike."
The Universe Will End With a Black Dwarf Supernova
The last ever explosions will be silent fireworks that take place long after everything else in the universe has died, a study has found.
Astronomers May Have Found the Universe's Missing Matter
Fast radio bursts were used as "cosmic weigh stations" to find the sparsely distributed matter.
Gamma Ray Experiment on Extinct Volcano Suggests Speed of Light Is Constant
Researchers were looking to see if part of the Standard Model of physics would hold up under extreme conditions.
Newly Discovered Dark Matter Candidate D-star May Explain Universe's Bigges
Scientists say d-star hexaquarks may have formed dark matter after the Big Bang.
Mystery Radio Signal From Deep Space Appears to Be Repeating 16-Day Cycle
Scientists say they have found the first fast radio burst that has a steady repeating cycle.
AI Tool Created to Study the Universe, Unlock the Mysteries of Dark Energy
The AI tool could play a role in studying the nature of dark energy and dark matter, which seems to make up a large amount of the universe but remains an enigma, researchers said.
Wandering Black Holes Found Less Than a Billion Light Years from Earth
Mergers with other galaxies may have knocked the black hole in dwarf galaxies off-center, creating "wandering" black holes.
Supermassive Black Holes From the Dawn of the Universe Feasted on Gas Halos
Researchers have observed the faint glow of "gas halos" around galaxies hosting supermassive black holes.
Giant Planet Detected Around White Dwarf Star for First Time
Intriguingly, the Neptune-like planet is is about four times bigger than the star itself.
'Massive Monster Galaxy' from Early Universe Discovered by Astronomers
The galaxy, spotted with ALMA, had been obscured by a huge cloud of dust, making it invisible to other telescopes.
Planet Nine Mystery Could Be Caused by a Black Hole Say Scientists
Five years ago scientists proposed the hypothetical existence of a large world tens of millions of miles from the Sun, which has come to be known as "Planet Nine."
Planets Bursting With Life May Exist Beyond the Solar System: Scientists
"In the search for life beyond our solar system, the most promising planets might not be Earth twins," says geochemist Stephanie Olson.
Stardust From Supernova Explosion Discovered in Antarctic Snow: Study
The snow contained substantial quantities of dust-enriched with iron-60—which isn't naturally produced on our planet.
Jupiter Was Hit by Another Planet 4.5 Billion Years Ago, Scientists Say
The latest findings could help to explain some puzzling measurements collected by the Juno spacecraft, which is currently orbiting the planet.
39 Ancient, Massive, Invisible Galaxies That Defy Theories Discovered
The galaxies formed in the first two billion years after the Big Bang.
First Stars Exploded, Sending Out Powerful Jets that Produced New Ones
These early stars may have blown up in a more violent and asymmetric fashion than previously thought.
Dark Matter Hunters Observe 'Rarest Event Ever'
This is the "longest, slowest process that has ever been directly observed," said study co-author Ethan Brown.
An 'Avenge the Fallen' Meme is Taking Over Social Media
Marvel's latest Avengers: Endgame posters have inspired a viral Avenge the Fallen meme that is taking over social media.
Collision With Giant Galaxy Filled Milky Way With Stars
The collision took place 10 billion years ago, when the universe was just three or four billion years old.
'Titans' Offers Best Look at Doom Patrol Yet
Doom Patrol attempt to help Raven with her powers in new "Titans" photos.
Astronomers Witness Never-Before-Seen Supernova
The supernova may indicate the birth of a neutron star binary system, according to a new paper.
Radio Signals From Other Side of Universe Discovered
Fast radio bursts were recorded during a survey of the sky that began January 2017.
Scientists Are Hunting for the Universe's Hidden Realm
The search is on for an elusive particle that could shine a light on the "dark sector"—the vast majority of the universe that we cannot see.
Nuclear Pasta: Universe's Strongest Material Discovered
Computer simulations will help scientists better understand the smallest and densest known stars.
Gravity Isn't Leaking Into Other Space Dimensions
Scientists have used gravitational waves to rule out popular theory explaining one of the universe's mysteries.