Mars, our neighboring red planet, possesses some of the most dazzling and extreme geological features within our solar system ...

Whether you’re an astronomer, ordinary stargazer or astrologer, the alignment of the other seven planets in our solar system ...

New paper points to the Alpha Centauri triple star system as likely potential source of millions of interstellar asteroids and comets.

Astronomers are using the NASA's Hubble Telescope to study auroras — stunning light shows in a planet’s atmosphere — on the poles of the largest planet in the solar system, Jupiter. This animation ...

Test your knowledge of humanity's major space-faring milestones and the incredible astronauts who accomplished them.

This planetary parade is a fleeting event, and tonight marks the best opportunity to witness its full beauty. In just a few ...