NASA's Perseverance Mars rover has emerged from its first "solar conjunction" blackout and gotten back to work on the Red Planet.
Cosmic rays are tiny subatomic particles racing through the universe at nearly the speed of light — and they're not so nice.
There are places in the universe where our laws of physics simply break down. These are called singularities.
An unusual signal from the direction of Proxima Centauri previously thought to be possible alien technology was actually just broken Earth technology, a new study suggests.
China has test fired a huge new solid rocket motor, creating more propulsion options for the country’s growing space activities.
Astronomers recently identified an unusual star that most likely formed from the hypernova remains of one of the universe's first stars.
Scientists made the startling discovery by plugging radio wave observations into a brand-new computer model.
A failed Russian spy satellite crashed back to Earth early Wednesday morning (Oct. 20), burning up in a brilliant fireball spotted by many observers in the American Midwest.
October's full moon and the peak of the Orionid meteor shower are happening on the same day this week.
NASA's newest asteroid probe, named Lucy, successfully launched on 12-year mission to visit 8 asteroids early Saturday (Oct. 16).
Physicists propose a new plan to "slice and dice" incoming asteroids that could save Earth from a deadly calamity.
A meteorite that landed in British Columbia crashed through a roof and narrowly missed hitting a woman who was asleep in her bed at the time.
Astronomers say strange radio signals around old, inactive stars may be the shimmering auroras of four alien worlds.
NASA has released a picture of a Pac-Man-shaped supernova remnant in the Large Magellanic Cloud galaxy that was recently captured by the Hubble telescope.