As binary neutron stars spiral around each other to merge, their gravitational tidal forces distort each other's shape and ...

If you look eastward at the same hour for two nights in a row, you’ll find that the stars seem to be in the same place. But ...

Astronomers have uncovered evidence of a dramatic cosmic crash unfolding around a distant star. While reviewing archived ...

"Baby star clusters" are aggregates of very young stars in the early stages of formation. Distinguished by their recent birth ...

The Small Magellanic Cloud (SMC) is one of the Milky Way's closest galactic neighbors—a small, gas-rich galaxy visible to the ...

Discovered in the Pictor II dwarf galaxy, star PicII-503 has an extreme deficiency in iron—less than 1/40,000th of the sun.

In 2017 astronomers detected something extraordinary: the first known object from another star system passing through our solar system. Named ‘Oumuamua, this mysterious visitor traveled at incredible ...

Astronomers have slammed SpaceX and Reflect Orbital plans for unnaturally brightening skies and disrupting ecosystems.

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

Over 4 billion years ago, as planets were coalescing around the newborn Sun, our star may have gone on an epic road trip across the Milky Way along with thousands of stellar "twins." And we may owe ...

Astronomers have discovered one of the most chemically primitive stars ever identified — an ancient stellar relic that preserves the chemical imprint ...

Still in its original galaxy, a rare holdout from the second generation of stars sheds new light on the origins of the ...