First spotted last month by a telescope in Chile, the near-Earth asteroid — designated 2024 YR4 — is estimated to be 130 to 330 feet (40 to 100 meters) across.

The Blue Ghost lunar lander, built by the Texas-based company Firefly Aerospace for NASA, launched to space on Jan. 15, and ...

NASA's Curiosity rover has captured images of rainbow-colored noctilucent clouds in Mars' atmosphere. Made of dry ice, these ...

With each passing night as, the crescent slowly widens and it begins to appear against a progressively darker background, its ...

it is lit only by dim sunlight reflected from Earth. Waxing crescent: As the moon moves around Earth, the side we can see gradually becomes more illuminated by direct sunlight. First quarter ...

Understand the moon phases and you can wager a pretty good guess for when the next full moon is no matter where we are in the ...

This is the last chance to catch the pair in conjunction this year—with Venus set to be unusually bright in the night sky.

A remarkable sight will appear in the southwestern sky an hour after sunset Saturday evening when Venus appears very close to a thin crescent moon. This celestial phenomenon is called a conjunction, ...

Opinions expressed by Forbes Contributors are their own. Jamie Carter is an award-winning reporter who covers the night sky. What's that bright “star” in the sky after sunset? Stargazers ...

The moon will be at its monthly perigee — its closest approach to Earth in a given month — so Hunt is calling it a “super crescent moon.” Monthly perigee distances vary, but for this one ...