It's too soon to know whether the object is a rocky asteroid or an icy comet, or how big and what shape it is.

Long theorized but never observed, the first known “planet with a death wish” is described by Ilin and her colleagues in a ...

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a new ...

Astronomy news always seems to break over coffee, on laptop startup. That was the case on Wednesday morning, when word of a ...

A newly discovered object, dubbed A11pl3Z, appears to be moving too fast and straight to have originated in the solar system.

Astronomers have spotted an alien planet orbiting so closely to its home star, the planet's magnetic field is triggering ...

"This tangible evidence of a double detonation not only contributes towards solving a long-standing mystery, but also offers ...

A NASA satellite that’s been orbiting as space junk since 1967, Relay 2, emitted an unexpected, powerful radio burst that ...

And astronomers have a brand-new, superpowerful eye with which to see the changing cosmos: the Vera C. Rubin Observatory in ...

"Each new detection brings us closer to understanding the origins of complex organic chemistry in the universe — and perhaps, ...

"Astronomers may have just discovered the third interstellar object passing through the Solar System!" the agency's ...