Sign Up for Our Amazing Newsletter!
A daily update by email. Science news, great photos, sky alerts.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Star collision triggers supernova explosion
Star collision triggers supernova! Dramatic evidence that a black hole or neutron star spiraled its way into the core of a companion star and ... boom!
September 7, 2021
Success! 1st Martian rock cored by Perseverance
NASA's Perseverance rover has successfully cored its first rock on Mars. The good news comes after an earlier attempt failed in early August. The core sample will be stored onboard the rover for later return to Earth by a future mission.
September 6, 2021
1,001st near-Earth asteroid glimpsed with radar
The 1,001st near-Earth asteroid observed with planetary radar is 2016 AJ193. Scientists caught it with NASA's Goldstone antenna in late August 2021.
September 4, 2021
Milky Way photos from the 2021 season
Milky Way season is wrapping up as September and October approach. Enjoy this gallery of some of the best photos of our galaxy from our readers.
September 3, 2021
Mars ice is dusty and could melt, study says
Researchers at two universities in the U.S. have found that dusty ice on Mars may melt just below the surface. The liquid water produced could potentially support microscopic life.
September 2, 2021
Aurora alert! Pair of CMEs to jolt Earth’s magnetic field
Aurora alert! A pair of coronal mass ejections will reach Earth September 1-2, 2021. Though not dangerous to satellites or the grid, they might cause auroras.
September 1, 2021
Does outer space end, or does it go on forever?
Can you travel to outer space and never stop? Science can tell us a lot. But some things we don’t know yet, like whether space just goes on forever.
August 31, 2021
What flows into a galaxy ‘cleaner’ than what flows out
Pure hydrogen and helium gas flows into a galaxy. It's used to make new stars. Those stars make new elements, which are later released back to intergalactic space.
August 30, 2021
Hycean planets might be habitable ocean worlds
Hycean planets are huge, hot worlds covered by oceans, with thick hydrogen atmospheres. They might be key to discovering life beyond Earth.
August 29, 2021
NEA Scout, NASA’s solar sail mission, readies for launch on Artemis 1
NASA’s Near-Earth Asteroid Scout (NEA Scout), a cubesat launching on Artemis 1, will navigate space and visit a near-Earth asteroid by sailing on sunlight.
August 29, 2021
