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...
In a photo of a black hole, a possible key to mysteries
Billions of people worldwide marveled at the first image ever captured of a black hole.
The photo of the glowing, blurry doughnut, taken by the...
Tabletop particle accelerator could probe for other dimensions in the universe
Scientists at the Laboratory for Laser Energetics have discovered a method to accelerate electrons to record energies in very short distances.
With such a...