Life on Earth may exist thanks to an incredible stroke of luck — a chemical sweet spot that most planets miss during their ...

Gas giants are large planets mostly composed of helium and/or hydrogen. Although these planets have dense cores, they don't ...

What if you started digging… and never stopped, until you broke through the other side of Mars? Would you fall forever? Would ...

New observations from NASA's James Webb Space Telescope (JWST) suggest that even extremely massive gas giants — once thought ...

Jupiter-like planet 8 UMi b, named Halla, orbits its host red giant star Baekdu closely. The red giant's merger with a white dwarf star questions how Halla could exist. Credit: Space.com | animation ...

Mercury, Venus, Jupiter, Saturn, Uranus and Neptune will soon align in the night sky ...

Space is getting crowded — nowadays, over 45,000 human-made objects orbit Earth. A portion of that figure is indeed represented by the thousands of satellites humans use for internet, GPS and other ...

For life to develop on a planet, certain chemical elements are needed in sufficient quantities. Phosphorus and nitrogen are ...

Stargazers, get ready for a celestial show! A planetary alignment featuring six planets will be visible in late February and ...

SIGNS of an alien planet that’s about the same size as Earth have been picked by up a Nasa telescope. Scientists say it might ...

With this new survey, astronomers have gained a peek inside a stage of exoplanet system formation they have yet to fully ...

Samples from the asteroid Bennu hint that some of life’s ingredients were forming long before Earth existed. NASA’s ...