Astrobiologists say we could find evidence of microbial life within the next 10–20 years. What does that mean? Where are we ...

Sky This Week is brought to you in part by Celestron. Friday 20Once the waxing Moon sets this evening, its disappearance ...

On November 1, 2023, NASA's Lucy spacecraft, en route to Jupiter's Trojan asteroids, flew by asteroid Dinkinesh and made a ...

Today marks the final day of the legislative session. Since the start of the 30-day session on Jan. 20, Earth, Wind and Fire ...

The catch: according to Space.com, four of those planets — Mercury, Venus, Saturn and Neptune — are very close to the Sun.

This February’s alignment spreads Mercury, Venus, Neptune, Saturn, Uranus and Jupiter across the western to eastern sky after sunset on Feb. 28. All six will appear shortly after sunset, according to ...

Six planets will form a cosmic lineup Feb. 28 — here’s why the rare sight may be harder to spot than you think.

Planetary systems in the Milky Way galaxy tend to follow a particular pattern: rocky planets toward the center, closest to ...

For nearly 40 years, Uranus carried a reputation as the planet that broke the rulebook. Voyager 2 arrived in Jan. 1986 and found a contradiction no one could neatly resolve: a magnetosphere that ...

"We would not have any way to go and actively deflect one right now," warns the scientist who led NASA's DART mission.

A newly studied solar system breaks the usual planet pattern, raising fresh questions about how rocky and gas planets form.

Astronomers using the NASA/ESA/CSA James Webb Space Telescope have for the first time identified hydrogen sulfide gas in the atmospheres of three gas-giant exoplanets orbiting HR 8799, a ...