Astronomy

A new image from Europe's Copernicus Sentinel-3 satellite shows the huge Antarctic iceberg A-23A stuck 45 miles (73 kilometers) off the coast of South Georgia Island.

The brilliant blue-white star lighting up the red nebula Sh2-46 hints at a dynamic and possibly fleeting encounter that could reshape the nebula's appearance over time.

After a pair of satellites failed to reach their desired orbit around the moon last year, China used a novel gravity "slingshot" tactic to get the satellites in the correct spot.

NASA is no longer asking U.S. companies for proposals to get the ice-hunting VIPER rover to the moon but still hasn't given up on the mission.

Plato, the European Space Agency's terrestrial planet hunter spacecraft, is seen after having 24 of its 26 cameras installed.

Earth's atmosphere pulses in sync with the sun's fiery outbursts, indicating it is more sensitive to solar activity than previously thought, according to new research.

The moon spent a few million years as a volcanic wasteland, covered with ongoing eruptions that spewed from mountains and even from the ground itself.

Elon Musk explained the rather depressing fate of life on Earth to Fox News host Jesse Waters, who had asked him why humanity should go to Mars.

A combination of X-ray from NASA's Chandra observatory and radio data indicates that a galactic "fracture" was likely caused by a special neutron star called a pulsar.