A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

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

Further simulations on flybys into the inner Solar System revealed one of our own planets might be flung out of the ballpark ...

The enormous visitor to our solar system may have been about 8 times the mass of Jupiter, and come nearly as close to the sun ...

Nearly one third of known exoplanets are enormous gas giants, similar to Jupiter or Saturn. But whereas our solar system ...

Nasa's Juno spacecraft, orbiting Jupiter and its moons, has detected the most powerful volcanic activity in the Solar System.

The so-called 'planetesimal belts' are filled with tiny millimeter-sized particles created by collisions between comets.

Planets with suns like Wolf 359 are subject to huge blasts of radiation that raise questions about their long-term ...

In October 2020, a van-sized robotic spacecraft briefly touched down on the surface of Bennu, a 525-metre-wide asteroid 320 ...

Samples of Bennu were brought back to Earth by NASA’s OSIRIS-REx spacecraft in 2023. Now, a pair of newly published papers ...