Five American astronauts have 10 spacewalks under their belt to date: Bob Behnken, Stephen Bowen, Chris Cassidy, Michael ...

The galaxy cluster appears hotter and more mature than it should for its young age, challenging what we think we know about ...

These are the top 10 Lego Star Wars sets we wish would return from multi-thousand-piece collector's models to dioramas and ...

The Hubble Telescope appears as a tiny silhouette during a perfectly timed solar transit captured from Puerto Rico.

From volcanic landscapes to world-class observatories, a journey through the Canary Islands reveals a night sky unlike ...

For astronaut safety and to bolster success of the human exploration to come later, NASA needs an end-to-end demonstration of ...

Another view from Perseverance shows how windswept Mars' landscape truly is.

On Saturday (Jan. 10), for example, we will see three satellites on one side of Jupiter (going outward from the planet: Ganymede, Io and Europa ), while the fourth ( Callisto) remains all by itself on ...

Using the Hubble Space Telescope, astronomers have discovered a new type of cosmic object, a cloud of dark matter and gas ...

NASA's Curiosity rover has sent back a striking new "postcard" from high on the slopes of the Red Planet's Mount Sharp, ...

A solar conjunction occurs as Venus' orbit carries it into alignment with the sun and Earth. Venus will align with the sun ...

It is likely that the Chang'e 7 lunar lander will touch down near Shackleton Crater, Schörghofer advised, outfitted with an ...