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Dog-bone asteroid Kleopatra makes a fetching portrait
ESO released new images of Kleopatra, the dog-bone asteroid. The images helped astronomers uncover its size and composition, revealing that it's a rubble pile.
September 13, 2021
Small asteroid skimmed close to Earth, hours after discovery
A small asteroid skimmed close to Earth on September 7, 2021. Asteroid 2021 RS2 passed less than 10,000 miles (about 15,000 km) away.
September 8, 2021
What is gravitational lensing?
What is gravitational lensing? When a massive object bends space, light traveling through the warped space results in rings, arcs or many points of light.
September 8, 2021
Blue and Gold orbiters bound for Mars in 2024
NASA's 2 Blue and Gold orbiters are part of the coming Mars ESCAPADE mission, which has now passed its final review. It'll launch to Mars in October 2024.
September 8, 2021
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
