Astronomers witnessed two galaxies engaged in an intense deep-space battle for the first time. Watch the “cosmic joust” in ...

Astronomers have observed a galaxy dating to an earlier epoch in the universe's history that surprisingly is shaped much like ...

Astronomers watched as a galaxy with the forgettable name SDSS1335+0728 suddenly sprang to life when its massive black hole ...

Scientists observed a rare cosmic duel between two galaxies, where one emits powerful radiation damaging the other. This ...

A new device uses quantum optics to filter out starlight in real time — bringing scientists closer to directly observing ...

When astronomers announced last month they might have discovered the most promising hints of alien life yet on a distant ...

New radio images reveal an unusually faint and symmetrical supernova remnant, nicknamed Telios, lurking just below the ...

But when scientists peer very far back, they find conundrums. JWST observations of the distant past are at odds with ...

A recent study found that Jupiter was once twice the size that it is now, making it big enough to swallow up 2,000 Earths.

The satellite population in low Earth orbit (LEO) is not an open book. While data on many satellites is public, others are ...

In April, astronomers said they had detected a possible signature of life on the exoplanet K2-18b. Now, three independent ...

Astronomers recently received photographic evidence of movement on the surface of Mars. Here's how they got it.