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

As it orbits the sun once every 25,000 years, the celestial body 2017 OF201 travels beyond the Kuiper Belt into a region ...

Learn how a possible ninth planet, the theoretical Planet X, could have acquired its wide orbit in the outer Solar System - a ...

Researchers estimate that MoM z14 was created 280 million years after the Big Bang, 10 million years earlier than the ...

The collision is predicted to be so violent that it would toss the Sun out of its orbit, destroying planets like Earth and ...

Astronomers have long thought that the Milky Way is headed for a head-on crash with its neighbor, Andromeda. But a new study ...

Though full terraforming may take centuries, if not millennia, the long-term goal would be a Mars with stable liquid water, ...

Around 16-17 June, Mars will appear to pass close to Regulus, the bright star at the heart of the constellation Leo, the lion ...

The Milky Way and the neighboring Andromeda galaxy are currently hurtling through space toward each other at a speed of about ...

There's no shortage of round celestial objects in our universe. Planets, moons and stars all exhibit lovely spherical shapes.

For centuries, astronomers have sought to understand the formation and evolution of the solar system and the dynamics that ...