The Earth is four and a half billion years old, so why they started appearing then is unknown, as is the mechanism to make ...

A three-armed spacecraft rocketed into orbit Friday and is on course to reach NASA’s Swift Observatory in about a month.

A three-armed spacecraft has rocketed into orbit to rescue a Nasa telescope that is in danger of crashing back to Earth. Northrop Grumman launched Katalyst Space Technologies’ Link spacecraft from the ...

NASA’s new 2026 eclipse map shows totality across Greenland, Iceland and Spain — and a partial solar eclipse for parts of ...

We might not have to go scorched Earth after all. Contrary to popular belief, the Earth might actually weather the fiery death of the sun that’s expected to engulf our neighbors, per a relieving study ...

The likelihood of an impact isn’t low. A 2025 analysis led by the planetary scientist Carrie Nugent estimates asteroids 460 ...

Informed by science from the Smithsonian Astrophysical Observatory and astronomers worldwide, this “documentary that you can walk through” visualizes the cosmos in a 3-D introduction to the universe ...

The outer solar system once seemed like a quiet backwater. But a glut of tiny, strange moons with unruly orbits are coming into view, revealing hints of a surprising past – and the origin of Saturn's ...

Why are we asking for donations? Why are we asking for donations? This site is free thanks to our community of supporters. Voluntary donations from readers like you keep our news accessible for ...

The clock is ticking for President Donald Trump to get a deal done with Iran. Or maybe it’s the other way around: Iran could be dealing with a ticking time bomb – in its own oil wells! With just days ...

May 25 (Reuters) - Firefighters contending with a dangerously overheating industrial tank of a hazardous chemical in Southern California have eliminated the possibility of the tank exploding after a ...

Authorities are bracing for the possibility that a damaged chemical tank in Southern California could leak or explode as an evacuation order continued into the Memorial Day weekend for 40,000 ...