Scientists have discovered a rogue Saturn for the first time, roaming 10,000 light-years away from us. This discovery is important since astronomers think there could be billions of orphan planets ...

Now, a new Nature study points to an answer by catching four planets at a stage most systems never show us: The awkward, ...

The spectra measurements enable astronomers to figure out these stars’ age, spin rate, temperature, and location, among other ...

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

Using NASA’s James Webb Space Telescope, astronomers have spotted two rare kinds of dust in the dwarf galaxy Sextans A, one ...

A test model of the Perseverance rover, designed to explore the surface of Mars, sits in a garage at NASA’s Jet Propulsion ...

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.

One of the biggest recent surprises in astronomy is the discovery that most stars like the Sun harbor a planet between the ...

A potential new type of celestial object has all the makings of a normal small galaxy. It’s rich with the same hydrogen gas ...