This week, we reported on the difficulty humans experience trying to read their dogs' emotions. Researchers reported that ...

Florida's 2045 eclipse will be 2 hours and 42 minutes, beginning at 12:12 p.m. for Indian River and St. Lucie counties and 12 ...

A supercluster is usually composed of hundreds or even thousands of clusters of galaxies, and these clusters are ...

Astronomers have discovered two exoplanets around TOI-1453, a star about 250 light years away. These two exoplanets, a super-Earth and a sub-Neptune, are common in the galaxy, yet are absent from our ...

For this reason black holes are invisible to the eye, as lightless as the empty, dark space surrounding them. Scientists know they exist not because they can see an actual hole, b ...

The Milky Way is one of the biggest in the observable universe: Even if you traveled at the speed of light, it would take 100,000 years to go from one end of our home galaxy to the other.

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 explosions, a new study suggests. Researchers at Keele University say these ...

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