There are hundreds of billions of alien worlds in the Milky Way galaxy. And scientists have already discovered and confirmed ...

Webb observations of the Sextans A galaxy reveal how stars in a metal-poor areas create cosmic dust, offering clues about the ...

Now, according to new research published in Science, astronomers have managed to weigh a rogue planet for the first time. The ...

If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...

They're called ghost particles for a reason. They're everywhere—trillions of them constantly stream through everything: our ...

A new survey maps nearby K-type stars and shows why these long-lived, stable stars are important targets in the search for ...

Decades in the making, NASA's X-ray timelapse shows a stellar explosion expanding into space at up to 2% the speed of light.

Most planetary systems contain worlds larger than Earth but smaller than Neptune, and the low-density planets around one ...

It's estimated there may be trillions of rogue planets wandering through the Milky Way, unbound to any star. Since detecting our first ones, we have been presented with an odd mystery.

The team’s analysis points to a lensing object with a mass of 0.219 Jupiter masses, a touch lighter than Saturn or around 70 ...

For the first time, astronomers have confirmed the existence of a rogue planet, one that doesn't orbit a star, by measuring ...

Astronomers have measured the mass and distance of a rogue planet using gravitational microlensing observed from Earth and ...