In 1959, the Luna 2 probe from the Soviet Union became the very first human-made object to reach our closest celestial neighbor. In the decades since, we have been leaving footprints—both literally ...

Titan, Saturn's largest moon, happens to share some truly remarkable geophysical and geological processes with our home ...

The molten exoplanet, larger than sub-Neptune, could be a new class of planet.

The results, published in February in the journal Monthly Notices of the Royal Astronomical Society, show that under these conditions some exomoons could remain warm enough for liquid water — and ...

A new study may have solved a long-standing mystery about the Moon's magnetism: Why do lunar rocks brought back by the Apollo missions show evidence of an intense magnetic field sometimes rivaling or ...

The new eerie trailer for Steven Spielberg's Disclosure Day has got people talking online about the Roswell Incident.