Admire 8 beautiful Moon images from NASA Hubble, each capturing rare details of our closest cosmic neighbor., Technology & ...

Plus, catch Saturn and Neptune at their brightest; spy the "string of pearls" galaxy; and a close encounter of the moon and ...

The moon is near new phase this week, and clearer skies and cooler overnight temperatures means that this is also an optimum ...

The sixth planet reaches its annual opposition this weekend when Earth gets between it and the sun. It make Saturn the ...

Io, Europa and Ganymede had already shown their footprints through earlier observations. But Callisto, the farthest Galilean ...

UCLA and UC San Diego grad Megan McArthur retires at 54 after two decades with NASA. The space and ocean scientist's work ...

NASA has debunked the proposal of controversial astronomer Avi Loeb, who claimed the comet 3I/ATLAS could be malicious alien ...

Uranus's moons — what is unique about each moon and why do they orbit at a tilt?

A few nights ago, I stumbled upon some cosmic images released by the Euclid Telescope, and I literally sat up in bed — no exaggeration! Have you ever seen a screen filled with stars clustered together ...

Astrophotography used to be out of reach for smartphone owners, but if you have a newer iPhone, you might just be able to ...

Kevin France, a professor of astrophysics at the University of Colorado Boulder, discusses the Habitable Worlds Observatory, ...

Learn more about the planet that's 40 light-years away and resides within a Goldilocks Zone.