Comet NEOWISE: 10 big questions (and answers) about the icy wanderer By Chelsea Gohd Comet NEOWISE has returned to the skies and is delighting skywatchers. So what makes this comet so special?
Dazzling Comet NEOWISE could be an astronomical bonanza By Mike Wall Astronomers are buzzing about Comet NEOWISE, which observers under clear, dark skies in the Northern Hemisphere can currently see with the naked eye.
28 'cocooned' black holes found hiding in plain sight By Rafi Letzter New research re-examining old data showed that 28 objects previously described as distant galaxies or dim black holes are in fact bright, shrouded supermassive black holes.
Oldest surviving light reveals the universe's true age By Rafi Letzter One of the most important controversies in physics remains unresolved after a major new study. But at least we have a new precise number for the universe's age.
Weird country-size 'campfires' on the sun revealed in closest-ever photos By Meghan Bartels It took just one round of photographs from a new solar science spacecraft for scientists to learn something new about the sun.
Don't miss Comet NEOWISE in the evening sky now. It won't be back for 6,800 years. By Tariq Malik Comet NEOWISE is now visible in the evening sky for stargazers. It won't be back for 6,800 years.
Tubby 'tardigrade' crawls across sun's surface in spectacular images By Mindy Weisberger New images of the solar surface, the closest ever seen, included a flaw that resembled a tardigrade.
A never-before-seen 'partial supernova' sent this star’s corpse skidding across the galaxy By Brandon Specktor The runaway star is traveling at nearly 600,000 mph and lost most of its mass to a mysterious explosion.
Rare ghostly particles produced inside the sun just detected under a mountain in Italy By Diane Lincoln For the first time ever, physicists have spotted rare, ghostly particles, called CNO solar neutrinos, produced by a weird kind of fusion inside the sun.
US launches 4 secret spy satellites to orbit By Mike Wall It's unclear exactly what the spacecraft will be doing up there.
The moon is 85 million years younger than previously thought By Chelsea Gohd It turns out the moon is a little younger than scientists previously thought — about 85 million years younger, to be precise.
Origin of 'Mirach's Ghost' perplexes black hole scientists By Rafi Letzter Physicists are step closer to understanding where the largest black holes in the universe came from. But new data reveals even deeper mysteries around their creation.
'Geyser' aurora and 'cosmic bat' nebula shortlisted for astronomy photo prize By Mindy Weisberger An astrophotography competition run by London's Royal Observatory Greenwich, announces a shortlist of exceptional images for its 2020 contest.
What's the most amazing thing about the universe? By Paul Sutter A few scant equations can explain a variety of phenomena in our universe, over vast gulfs of space and time. Here's a taste of just how powerful modern physics can be.
Live Science podcast 'Life's Little Mysteries' 40: Mysterious Archaeology By Live Science Staff From buried cities to sunken ships, clues from the past reveal secrets about people and civilizations dating to many thousands of years ago.
The solar system: Facts about our cosmic neighborhood By Sarah Wild Take a journey through our solar system.
Astronomers discover South Pole Wall, a gigantic structure stretching 1.4 billion light-years across By Adam Mann Strands in the intergalactic web
Physicists discover new, exotic flavor of tetraquark By Lorenzo Capriotti, Harry Cliff Physicists have discovered a new, exotic kind of tetraquark, made up of four charm quarks. They say it's a major breakthrough.
Why are scientists trying to manufacture organs in space? By Alysson R. Muotri Why are scientists trying to grow organs at the International Space Station? People live on Earth not in zero-gravity. A stem cell expert explains why it is useful to do these experiments in space.
