A small uncrewed spacecraft is buzzing the moon, with under two weeks remaining before its bold attempt to land on the lunar ...

President Trump launched the Artemis program to return U.S. astronauts to the moon for the first time since Apollo. Now, the plan could be a casualty of the cost-cutting drive overseen by Elon Musk.

"Fasten Your Space Belts" could be part of a spaceflight one-two punch today. SpaceX plans to launch yet another batch of its Starlink internet satellites today, during a nearly 3.5-hour window that ...

Astronomers have peered through the atmosphere of a planet beyond the Solar System, mapping its 3D structure for the first time. By combining all four telescope units of the European Southern ...

The gas giant WASP-121b, also known as Tylos, has an atmospheric structure unlike any we have ever seen, and the fastest ...

Firefly Aerospace's Blue Ghost captured some stunning sights on its way to the Moon's Mare Crisium basin.

Astronomers have peered through the atmosphere of a planet beyond the solar system, mapping its 3D structure for the first ...

"It feels like something out of science fiction," said European Southern Observatory astrophysicist Julia Victoria Seidel.

Last year, astronomers discovered an unusual Earth-size exoplanet they believe has a hemisphere of molten lava, with its ...

Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar system was the only planetary system known to humans. We had no proof other ...