Plus: A solar eclipse and an occultation of the Pleiades as our satellite skims through several constellations in the sky ...

What's on and in a star? What happens in an active galactic nucleus? Answering those questions is the goal of a proposed ...

NASA is preparing for the launch of its fifth New Frontiers mission, NF-5, aimed at exploring high-priority scientific ...

The number of known moons in our Solar System has been rising for centuries, but astronomers say it has probably peaked – for ...

On the night of March 13-14, 2025, North America and South America will get a great view of all phases of what is commonly called a "blood moon." During the total lunar eclipse, which will last ...

Some of the most impressive shots of the full moon are those where it is seen behind a building or a natural structure – which makes the moon look much larger than it does to the naked eye. If you ...

Io’s long-debated magma ocean may not exist. Juno spacecraft data reveals that tidal forces deform the moon differently than expected if a magma ocean were present. Instead, Io’s mantle appears mostly ...

A total lunar eclipse occurs when the Earth is positioned between the moon and sun, blocking sunlight from the moon. During a total lunar eclipse, the moon appears dim and reddish orange.

A private US company says it has landed a spacecraft close to the Moon's South Pole but fears the machine is not upright. The Athena spacecraft is communicating with Earth, but is not in the ...

This type of eclipse happens when Earth blocks the light from the sun that normally illuminates the moon, resulting in it appearing deep red, as if it were covered in blood. On the night of ...

Also called a “blood moon” for its red hue, this celestial event will be the first total lunar eclipse since 2022. People in North and South America will have the best view of the event ...