NASA Juno mission captured amazing new imagery of Jupiter's moon Europa. The spacecraft flew about 219 miles (352 kilometers) ...

Alright, I tink it’s time for a change-up. Let’s do a little spring cleaning, and redecorate our Solar System. Now, I know you’re a big fan of the Moon, but it’s so last season. Let’s get something ...

Sky This Week is brought to you in part by Celestron. Friday, February 20Once the waxing Moon sets this evening, its ...

A moon can sit next door to another and still feel like a different world. Around Jupiter, that contrast shows up fast.

Some sci-fi movies take the genre extra seriously, using accurate technologies to ground their depiction of the future.

Learn how cold-water geysers on Earth could give scientists a clear path in the search for extraterrestrial life on icy moons.

At just 500 kilometers across, Saturn's sixth-largest moon would fit comfortably inside the United Kingdom, with room to spare.

The president on Thursday ordered the release of federal files related to UFOs and aliens, although no evidence of extraterrestrials visiting Earth is known to exist ...

Learn more about the top theories about how life began on Earth, and how it may not have started from scratch.

At the edge of the Antarctic Peninsula, far from research stations and tourist routes, a small team collected seawater in conditions that are not easi.

The odds are that life is out there – but rather than little green men, it may look more like hydrothermal vent tubeworms ...

What: Scientists have revived microscopic worms frozen in Siberian permafrost for roughly 46,000 years, revealing how life ...