Saturn, Venus, Neptune, Uranus, Jupiter, Mars and Mercury will be visible in an uncommon planetary alignment this month.

Jumping workouts could help astronauts prevent the type of cartilage damage they are likely to endure during lengthy missions to Mars and the moon, a new Johns Hopkins University study suggests.

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

Make time soon to head outside after the sun sets and study the sky. Five of the brightest planets — Venus, Jupiter, Mars, ...

For a brief moment at the end of February, every planet will appear in the night sky simultaneously in a rare celestial ...

The highlight of this cosmic event is Venus, which will shine at its brightest on Sunday, February 16, making it the most ...

Mars is among the brightest objects in Earth's sky, and its high-contrast albedo features have made it a common subject for telescope viewing. Scientists don’t expect to find living things currently ...

The James Webb Space Telescope, which is the JWST is the largest and space telescope ever built, is expected to help NASA and ...

“New Horizons shattered a major paradigm of planetary science,” says Alan Stern, the mission’s principal investigator. “Pluto ...

Space-lovers can look forward to a rare alignment of seven planets next week as a planetary parade that will be visible ...