The Hubble Space Telescope time-lapse captured footage of Jupiter, Saturn, Uranus and Neptune. Credit: SCIENCE: NASA, ESA, ...

Astronomers reported Monday that the probability of the two spiral galaxies colliding is less than previously thought, with a ...

The largest map of the universe, created with data from the James Webb Space Telescope, shows almost 800,000 galaxies crammed ...

A swarm of large asteroids likely lurking around Venus could one day pose an "invisible threat" to Earth if left unchecked, ...

For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

This month will usher in two separate conjunctions — one between the moon and a rarely-visible Mercury, and another between ...

Ancient Greek astronomers likely observed Uranus as a star, but limited tools and geocentric views kept them from recognizing ...

Dozens of NASA's missions to explore the cosmos could be in jeopardy under a budget proposal from the Trump administration.

Dozens of NASA's spaceflight missions that launched from Florida could be in jeopardy under a budget proposal from the Trump ...

Astrophotographer Josh Dury captured a stunning celestial scene early Friday morning (May 23), as the planets Venus and Saturn ... If you're looking for a telescope or binoculars to observe ...

And hovering to the lower left of the lunar crescent will be the planet ... low glimmering of Venus is a harbinger of daybreak, which begins exactly at that same time. In a telescope, Venus's ...