After decades of searching, astronomers may have finally stumbled upon the first moon known to exist beyond our solar ...

When the Hubble Space Telescope set its sights toward the binary star system HD 106906, astronomers found a world that could resemble the long-sought Planet X. For the first time, astronomers are able ...

Astronomers measure the speed at which the solar system is hurtling through space by mapping surrounding galaxies and ...

Almost all planets in our solar system have moons – why not exoplanets? Astronomers believe they have discovered the first ...

A large radio galaxy study finds our solar system moves faster than theory predicts, raising new questions about how matter ...

Astronomers may have identified the first known exomoon, orbiting a Jupiter-like exoplanet, amidst 6,000 confirmed exoplanets.

New measurements of radio galaxies reveal that the solar system is racing through the universe at over three times the speed ...

How can we explore the outer reaches of other solar systems? The answer lies in debris belts, disks composed of dust and debris, which orbit a star. Solar systems with debris disks can span the early ...

A distant star system housing 6 planets that move in 'mathematically perfect' orbits has ignited a search for possible alien technosignatures. When you purchase through links on our site, we may earn ...

The NASA/ESA Hubble Space Telescope has made the first detection ever of an organic molecule in a planet orbiting another star. This breakthrough is an important step in eventually identifying signs ...