The interstellar comet-like object 3I/ATLAS, which is approaching the solar system at 210,000 km/h, will pass close to four planets (but not Earth) and the Sun in its cosmic journey. The pop culture's ...

Scientists have discovered new information about the interstellar object nearing Earth which could reveal facts about the ...

Astronomers are racing to study 3I/ATLAS, an interstellar comet whose strange behavior reveals new clues about how other ...

Dwarf planet 2023 KQ14, Ammonite, has a stable orbit that challenges the hypothesis of the mysterious Planet Nine.

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 ...

Normally when a medium-size star dies, it blasts away the bulk of material in its system. The Hubble discovery was surprising ...

The Earth stands alone in the solar system as a habitable world, as far as we know. But that doesn’t mean we don’t get visitors, most often in the form of (usually harmless) asteroids. Some even ...

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

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. Will it return?

Three missions aimed at observing space weather are set to launch Sept. 23 from Florida. Here's what to know about NASA's IMAP and more.

Astronomers might be close to confirming the presence of an Earth-like atmosphere on an exoplanet for the first time, ...

"The complexity of the exo-Neptunian landscape provides offers a unique window onto the processes involved in the formation ...