Hypervelocity stars (HVSs) were first theorized to exist in the late 1980s. In 2005, the first discoveries were confirmed.

Staring up at the night sky, you might see thousands of stars sprinkled above the horizon. It feels as though you can see so ...

The blue lurker originally rotated more slowly and orbited a binary system consisting of two sun-like stars. About 500 million years ago, the two stars in that binary merged, creating a single ...

Scientists discover low-mass microquasars can accelerate cosmic rays, reshaping theories on high-energy particle origins.

Rather than relying on a cheek swab or a little blood, however, these cosmic DNA tests utilize tiny ripples in the fabric of ...

The young protostar T Tauri is about to be eclipsed by a huge disk of gas and dust that could prompt the star to fade or even ...

Those who place the election above reforms undervalue the vital need for the latter. They tend to forget that the ...

"We have by and large been ignoring triples in models and simulations — we're just starting to understand how these types of systems ... binary would have merged, coalescing into a massive star ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Our physics expert picks his top-five equations, plus a scheme to supply US power needs with a bucket of baseballs. Thanks, ...

In deciphering sagas of eons past, astronomers find few examples ... blue lurker stars in M67 — the results suggest it was, in fact, once part of a remarkable triple-star system.