Launch is scheduled for summer 2026. Astroscale's 660-pound (300 kilograms) APS-R Refueler spacecraft will head for the ...

When a star comes to the end of its life and dies, it can be an epic and destructive event, throwing out an explosion of heat and light — but it can create stunning new forms as well. A gorgeous new ...

The swirling, paint-like clouds in the darkness of space in this stunning image seem surreal, like a portal to another world ...

Astronomer Charles Steinhardt said most stars we see "might have formed under different conditions than we previously believed." ...

That meant the star stayed about the same size — and the planet, roughly the size of Jupiter, came to it. Over millions of ...

An international team of astronomers using the NASA/ESA Hubble Space Telescope has made new measurements of Uranus’ interior rotation rate with a novel technique, achieving a level of accuracy 1 000 ...