A long-lost type of dark matter may resolve the biggest disagreement in physics By Rafi Letzter Right now, key measurements of the universe's expansion are contradicting each other. A lost form of dark matter could help them agree.
Black hole keeps snacking on white dwarf locked in its orbit By Meghan Bartels This black hole's parents never told it not to play with its food.
See the bright 'evening star' Venus swing by the crescent moon tonight By Hanneke Weitering After a close encounter with the moon on Sunday (April 26), Venus will be at its greatest brightness of the year on Tuesday (April 28).
Big asteroid shows itself ahead of Earth flyby on April 29 By Mike Wall The Arecibo Observatory in Puerto Rico captured a radar image of 1998 OR2, which will zoom within 3.9 million miles (6.3 million kilometers) of our planet on April 29.
SpaceX's Starlink satellites will soon get glare-reducing 'sunshades,' Elon Musk says By Mike Wall SpaceX's Starlink internet satellites will soon sport an accessory to tamp down their surprising brightness.
NASA reveals stunning 'Cosmic Reef' blasting to life in nearby galaxy By Brandon Specktor To honor the Hubble Space Telescope's 30th anniversary in space, NASA shared this epic 'Cosmic Reef' image of a nearby stellar nursery.
Black hole bends escaping light 'like a boomerang' By Mindy Weisberger Light behaves even more strangely than expected around the irresistible pull of a black hole.
Russian space official tests positive for coronavirus after attending Soyuz crew launch to space station By Chelsea Gohd A Russian space official has tested positive for COVID-19, the disease caused by the novel coronavirus.
How to watch SpaceX launch 60 new Starlink satellites into orbit today By Tariq Malik SpaceX will launch 60 new Starlink internet satellites into orbit on a used rocket today (April 22) and you can watch it all live online.
What happened before the Big Bang? By Paul Sutter The Big Bounce theory was once thought impossible. But two physicists have just resurrected it.
Is life a gamble? Scientist models universe to find out By Tim Childers Scientist finds life in the universe could be common, but we may never find it.
Mysterious 'disappearing' exoplanet was just a big cloud of asteroid trash, study suggests By Brandon Specktor The alleged exoplanet Fomalhaut b was discovered in 2004 and disappeared in 2014. Astronomers now say it was never a planet to begin with.
Lyrid meteor shower peaks this week: Here's how to watch By Mindy Weisberger Up to 20 meteors per hour may be visible when the Lyrid meteor shower is at its peak.
China wants a piece of the moon. Here's how it plans to handle lunar samples. By Leonard David A glimpse into China's readiness to handle samples from the moon reveals steps to be taken for storage, processing and preparation of the specimens.
Russia tests anti-satellite missile and the US Space Force is not happy By Chelsea Gohd Russia just fired an anti-satellite missile in a test of technology that the U.S. Space Force considers a threat to American orbital assets.
'Dancing' star's weird, spirograph orbit proves Einstein right (again) By Brandon Specktor Astronomers tracked the orbit of a star around the Milky Way's supermassive black hole, and found its path exactly matched Einstein's theory of general relativity.
Flickers of light in a giant, underground tank of water in Japan could explain the entire universe By Rafi Letzter There's an asymmetry between the universe's matter and antimatter. This experiment might explain why.
NASA funds proposal to build a telescope on the far side of the moon By Yasemin Saplakoglu This proposed mesh telescope would let us gaze out into the dark cosmos, unhindered by our planet's atmosphere and radio interferences.
Weird star explosion is brightest supernova ever seen By Mike Wall A mammoth star explosion known as SN2016aps, which occurred in a galaxy about 3.6 billion light-years from Earth, is the brightest supernova ever seen, a new study reports.
New origin story of 'Oumuamua interstellar visitor does not involve aliens By Mike Wall The mysterious interstellar object 'Oumuamua is probably a fragment of a larger body that was torn apart by gravitational forces during a close flyby of its native star, a new study suggests.
