Jezero crater on Mars may harbor signs of life
A new analysis of satellite imagery supports the hypothesis that the Jezero crater on Mars could be a good place to look for markers...
Elegant solution reveals how the universe got its structure
The universe is full of billions of galaxies—but their distribution across space is far from uniform.
Why do we see so much structure in the...
Hungry galaxies grow fat on the flesh of their neighbors
Galaxies grow large by eating their smaller neighbors, new research reveals.
Exactly how massive galaxies attain their size is poorly understood, not least because they...
Fleets of ‘nanocardboard’ aircraft could explore Mars
A fleet of tiny “nanocardboard” aircraft could help explore Mars, researchers say.
They each weigh about as much as a fruit fly and have no...
This near-Earth asteroid brings its own face mask
The Arecibo Observatory in Puerto Rico is following an asteroid approaching Earth this week and while it poses no threat, it appears to know...
Scientists use ‘hot Jupiter’ data to mine exoplanet chemistry
Atmospheric gases recede from a “hot Jupiter,” which is a Jupiter-size, egg-shaped planet that orbits close to its own sun, in this artistic rendering....
Scientists discover 19 interstellar asteroids in our solar system
Ka`epaoka`awela asteroid surprised the world in 2018: it was the first object in the solar system that was demonstrated to be of extrasolar origin....
New study reveals numerous rotating galaxies in the infant universe
New results from an ambitious sky survey program, called ALPINE, reveal that rotating disk-shaped galaxies may have existed in large numbers earlier in the...
These ‘nanocardboard’ flyers could serve as Martian atmospheric probes
This summer, NASA plans to launch its next Mars rover, Perseverance, which will carry with it the first aircraft to ever fly on another...
Astronomers discover exoplanet that never was
What astronomers thought was a planet beyond our solar system has now seemingly vanished from sight.
This suggests that what was heralded as one of...