A sweeping new ICE operation shows how Donald Trump’s focus on immigration is reshaping federal law enforcement.

For the unversed, "Planet Nine" is a hypothetical planet which is reportedly larger than Earth that is thought to orbit ...

As a result of the International Astronomical Union’s 2006 demotion of Pluto from planet to dwarf planet, our solar system ...

Giant planets are not rare per se — after all, we have four in our own solar system. Such large worlds are, however, rarely ...

Scientists have discovered a giant planet called TOI-6894b, orbiting a star that should be far too small to have formed it.

Astronomers have been left puzzled by the discovery of an unusually large planet orbiting a remarkably small star, a cosmic ...

Tokyo-based company ispace aims to land its "Resilience" spacecraft in the moon's Mare Frigoris ("Sea of Cold") region on June 5, notching a big milestone for Japan and for commercial spaceflight.