NASA's SPHEREx and PUNCH missions successfully launched aboard a SpaceX Falcon 9 rocket, marking a significant step in space ...

There is a supermassive black hole at the center of nearly every big galaxy—including ours, the Milky Way (it’s called ...

Voluminous clouds of cosmic dust permeate our galaxy, but only recently has software allowed detailed observations of the ...

Early in our Solar System’s history, bits of icy debris were scattered and then gradually coaxed into a spiral alignment in ...

Andromeda XXXV is only about 20,000 times more massive than our Sun—very small, even for a satellite galaxy. For comparison, ...

At least two mass extinction events in Earth's history were likely caused by the "devastating" effects of nearby supernova ...

A huge haul of 128 newfound satellites might be a hint of past collisions in the planet’s orbit, or something else.

NASA’s newest space telescope rocketed into orbit Tuesday to map the entire sky like never before — a sweeping look at hundreds of millions of galaxies and their shared cosmic glow since the ...

The Large Magellanic Cloud is one of the most well-studied galaxies, but new findings suggest it might have been holding a ...

Following a checkout period lasting one month, the observatory – which measures 8.5 feet tall, 10.5 feet across, and weighs 1,107 pounds – will capture a ...