The interstellar visitor, known as 3I/ATLAS, was photographed by a spacecraft orbiting the red planet last week.The European ...

The comet is one of only three of its kind recorded in history. But others think there could be more to this celestial object ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

Voyager 1 has been exploring the cosmos for decades, but when it reached the edge of the solar system, it found something ...

Need a refresher about 3I/ATLAS? Here's everything to know about the interstellar object, including when the latest observations will be made.

Interstellar comet 3I/ATLAS has caught the interest of astronomers and amateur enthusiasts alike as just the third object to ...

The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously thought, astronomers say.

Normal gases, like the air you breathe on Earth, are made up of atoms bouncing around. Atoms consist of a positively charged bundle of particles called the nucleus and negatively charged particles ...

ALMA(ESO/NAOJ/NRAO)/M. McClure et al. Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Here’s what you’ll learn when you read this ...

In 2017 Oumuamua became the first known object to enter our solar system from another star Its strange shape and speed defied ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

The methane gas may constitute a rarefied atmosphere, or it may come from erupting plumes on Makemake’s surface.