Two teams of astronomers have simultaneously discovered a strange, spinning dead star that seems to defy our current understanding of both neutron stars and white dwarfs.
A meteorite impact thousands of years ago may have triggered a landslide in the Grand Canyon and reshaped the Colorado River that runs through the national park.
As astronomers rush to study a newly discovered comet from beyond our solar system, a powerful new observatory may turn rare interstellar sightings into routine events.
Astronomers have used the Chandra X-ray telescope to observe an exoplanet as it disintegrates because its parent star is bombarding it with radiation.
A lunar eclipse was seen over the U.S. Naval Observatory Deep South Telescope in Chile.
A massive doomed exoplanet on a death spiral toward its parent star has three possible catastrophic fates.
Soil excavated from the moon could be used to produce oxygen and methane, which could be used by lunar settlers for breathing and for rocket fuel.
China has taken a new step in its long-term planning for lunar exploration with the completion of a "simulated moon underground space."
The basaltic meteorite is a piece of lunar rock that formed in a lava flow 2.35 billion years ago, long after volcanism on the moon was supposed to have ended.
Astronomers unveiled a striking view of the new interstellar visitor 3I/ATLAS on its journey toward the inner solar system.
