The moon and Venus will shine vividly alongside a bright star in the early morning in a celestial rendezvous that should be visible across the U.S.

Space and time seem like two completely different ideas, but Einstein showed they are interlinked in what is known as ...

Astronomers were fascinated after spotting an object from interstellar space hurtling through the solar system earlier this ...

Most planet-forming disks have warps that can lead to planets on inclined orbits, which could explain where the tilt of Earth's orbit came from.

The solar system lost its ninth planet back when Pluto was demoted to a dwarf planet, but research might indicate that there ...

Dwarf planet 2023 KQ14, Ammonite, has a stable orbit that challenges the hypothesis of the mysterious Planet Nine.

Astronomers are researching an Earth-like exoplanet that could contain water, according to NASA. The exoplanet, named ...