Comet ATLAS (C/2024 G3) came within 8.3 million miles of the sun on January 13 as it reached its perihelion, and is now disintegrating.

An incredibly rare sight can be seen in the Australian skies until Thursday - and won't reappear for another 800,000 years.

NASA estimates there are billions of comets orbiting the Sun in the Kuiper Belt - a region of the solar system home to Pluto - and the more distant Oort Cloud.

One of the two NASA astronauts stuck in space got a much-welcome change of scenery when she stepped out for her first spacewalk after seven months in orbit. Suni Williams and Butch Wilmore have ...

One of NASA's two stuck astronauts got a much welcomed change of scenery Thursday, stepping out on her first spacewalk since arriving at the International Space Station more than seven months ago.

Two NASA astronauts will perform the year's first spacewalk today (Jan. 16), and you can watch the action live. Nick Hague and Suni Williams are scheduled to venture outside the International ...

Blue Ghost and Resilience are now making their way through space to deploy research payloads onto the lunar surface. Blue Ghost and Resilience are now making their way through space to deploy ...

For the third time in a year, a commercial lunar lander backed by NASA is on its way to the moon's surface. The spacecraft built and operated by Texas-based Firefly Aerospace launched in the early ...

Usually, clouds trap some of this heat and send it back to the ground. But as the climate warms, there are fewer low clouds in some areas, which means less heat is returned to the surface.

Carnegie Science and NASA are celebrating this centennial at the 245th meeting of the American Astronomical Society in Washington, D.C. The seemingly inauspicious star, simply named V1 ...