Strange x-ray pulses hint at a surprisingly long-lived white dwarf orbiting precariously close to a supermassive black hole ...

The Andromeda galaxy is a colossal marvel in our sky, hosting over 1 trillion stars. Now, astronomers have used the Hubble ...

The U.S. has the world's largest carrier fleet with 11 in service, while China ranks second with three and Japan has two ships being converted into carriers.

This weekly newsletter on rockets provides definitive coverage of the global launch industry. The big news this week is the ...

Aschbacher was asked during the briefing about the alliance of President-elect Donald Trump, SpaceX founder Elon Musk and ...

Last night, a crucial step in the European Space Agency's eclipse-making Proba-3 mission was completed: the two spacecraft, ...

The European Space Agency's Milky Way-mapper Gaia has completed the sky-scanning phase of its mission, racking up more than 3 ...

Issues delivered straight to your door "I expect Gaia's best results are still to come." ...

China has announced plans to build a giant solar power space station, which will be lifted into orbit piece by piece using ...

A famous illustration of Saturn's moon Titan got it all wrong. Never mind -- what we imagine space to be, and what we know it ...

An exploding budget and an unraveling schedule spell disappointment for NASA's mission to learn more about Mars's history.

A joint Japanese-European mission to Mercury just made its sixth flyby of the planet, revealing stunning close-ups of the ...