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

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 ...

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

Elon Musk appeared to have had a major change of heart, putting a Mars city on hold. He's been going through it ever since.

Loveland Living Planet Aquarium has announced the grand opening of a new building -- the Sam & Aline Skaggs Learning Center - ...

Elon Musk has long had a passion for Mars. The moon? A diversion. That plan has now shifted. SpaceX will “prioritize going to ...

Researchers had only hypothesized the existence of underground lava tubes on Venus —until now.

Samples from the asteroid Bennu hint that some of life’s ingredients were forming long before Earth existed. NASA’s OSIRIS-REx mission returned dust a.