Earth is not only orbiting the Sun it is also traveling through the Milky Way on an enormous galactic journey. In this video ...

Astronomers trace the Small Magellanic Cloud’s unusual stellar motions to a past cosmic encounter.

The New Moon Arrives on Wednesday, March 18. With the moon missing from our view, this is a perfect night for galaxy-gazing.

It's a new window into the first star explosions.

Like tiny photobombers, cosmic anomalies resembling small, bright red points show up in almost every snapshot taken by the ...

T he first time I heard about galaxies without dark matter, I was sitting in my very first graduate class at the University ...

Phil Lord and Chris Miller direct Ryan Gosling in a nearly flawless "Project Hail Mary," the first great film of 2026.

They discovered that the host galaxy is incredibly massive — weighing in at over 40 billion times the mass of our Sun — and ...

Using a novel technique that examines the motion of two nearby galaxy groups within their surrounding cosmic flow, an ...

NASA chief Jared Issacman appears to be among those who support Pluto being reclassified as a planet. Could President Trump sign an executive order?

Debate has raged for two decades over whether Pluto should be considered a planet. Some want President Trump to take action ...