In September, NASA announced the discovery of a possible sign of life, known as a potential biosignature, on Mars. The Perseverance rover, which has been exploring a dried-up lakebed for years, found ...

Scientists have discovered a mysterious hole on the surface of Mars, and they have no idea what lies inside it. This pit, ...

I/ATLAS is a natural celestial object with all the qualities typical to a comet. It doesn't just belong to our solar system.

"We're not saying, and we can't say, that there's no life in Europa. What we're saying is that it's a harder proposition, ...

2025 MN45 isn't the overall spin-rate record holder. Astronomers have found a number of small asteroids — those just a few ...

The first unmistakable signal from another intelligence may not be a cheerful greeting. A growing group of researchers is ...

What hurts more than a nail-biting cliffhanger? A cliffhanger that'll never be resolved. Sadly, that's exactly what happened ...

A new study reveals that tiny fragments of Earth's atmosphere are transported to and absorbed by the moon via gusts of solar ...

If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...

Astronomer Avi Loeb suspects this interstellar visitor is a piece of alien technology, citing its unusual traits and the ...

Begin your day with clarity! The horoscope for today highlights opportunities and hurdles for each zodiac sign. Whether it is ...

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...