NASA's next-generation space observatory has sustained its first noticeable impact less than six months after launch, but the agency isn't too concerned.
The five visible planets in the solar system will be lined up across the predawn sky this month. Here's how to watch.
Two previously unknown radio structures have been detected around quasar 3C273, the first and brightest quasar ever detected.
On the 10th anniversary of the last transit of Venus, find out what makes these events so special and what else to look out for during the long wait for the next one.
Reference The moon is our constant companion and Earth's only consistent natural satellite.
Stars are born amid turbulent clouds, and their deaths can be just as explosive. But how long do stars live? It depends on the size of the star.
The dust trail from the largest comet outburst on record will be visible to amateur astronomers in late July 2022.
If aliens exist, they do exist, they might be hanging out on Dyson spheres circling the husks of sunlike stars called white dwarfs.
A coronal mass ejection (CME) is a vast cloud of electrically charged particles that the sun releases with a huge burst of speed.
New research calculates the odds that humans will contact a 'malicious' alien civilization that wants to invade our planet. Don't worry, the chances are incredibly small.
Auroras don't just exist on Earth. Here's what we know about auroras on other planets in the solar system.
The experiment will investigate the Unruh effect, which is produced by a mixture of quantum mechanics and special relativity
A mile-wide asteroid passed by Earth on Friday (May 27) at a distance about 10 times that of the space between the Earth and moon.
Astronomers will have to wait a while to celebrate the first complete orbit of Pluto since its discovery.
For sale: One small sample of the moon brought back to Earth in 1969 by the Apollo 11 astronauts. Condition: Well-traveled and once digested.