Pluto is a bit of a loner. The dwarf planet is no longer considered a regular planet; it does not orbit on the same plane as ...

Exoplanet 2M1510 (AB) b’s is an unusual polar orbit of a pair of brown dwarfs. Credit: ESO Directed by: Angelos Tsaousis and Martin Wallner. Editing: Angelos Tsaousis. Web and technical support: ...

The moon and Venus will shine vividly alongside a bright star in the early morning in a celestial rendezvous that should be visible across the U.S.

Did you see the bright star next to the moon? That was Venus, and part of a conjunction between the moon, Venus and the star ...

Regulus, a distant star, Venus and our moon will be visible during a conjunction tonight, and how Californians can best see ...

Earth has a number of mini-moons and quasi-moons. Mini-moons are objects that orbit our planet. But they make for fickle fans: They tend to swing around Earth for only a matter of months. One example ...

While opposition itself is a one-night event, taking place on Sept. 21, Saturn's glow won't fade quickly. The planet will ...

Apophis will zoom safely past the Earth closer than the orbits of geosynchronous satellites on April 13, 2029. As well as the ...

The concept of the Kessler syndrome is that the area around Earth gets too crowded to a point where we reach a saturation point where collisions begin and cannot be stopped. "Spent rockets, satellites ...

Is it a full moon tonight? Wondering what is the planet and bright star shining next to the moon? Here's what to know and how to see it.

Day and night will get equal time for a brief moment Monday as much of the world heads into fall. The autumnal equinox marks ...