Space

Scientists possibly heard aliens calling us last Saturday

More than a dozen radio bursts were heard from a mysterious source in the far reaches of our universe.

New Harvard theory: Aliens could survive apocalypses

Humans may not last through crazy space events, but a new study suggests extraterrestrials could handle them.

There's another planet out there, and it's surprisingly Earth-like

It's the strongest evidence yet that other solar systems have traits similar to our own.

To infinity and beyond: Inside the daring attempt to find a new Earth

A Russian philanthropist, an Israeli astronomer and Stephen Hawking are teaming up in search of aliens and a new home for humanity.

Our favorite Earth-like planet may be way too extreme for life

We were hoping nearby planet Proxima b could support life, but new research suggests otherwise.

This nearby planet could be where all the aliens are hiding

Researchers discovered that Proxima b has the right climate for oceans. And extraterrestrials.

Scientists just discovered a planet out of 'Star Wars'

Visitors to the Hoth-like planet had better bundle up. It's cold out there. Like, really really cold.

This giant rocket just sent a school project into space

High schoolers built a satellite that shot into space on a NASA rocket this week.

Einstein just helped us find a massive alien world

His theory of relativity taught scientists how to uncover a planet 3 times the size of Jupiter.

These private companies are fueling the space race

Astropreneurship is now a thing, and the competition is heating up.

8 high-tech innovations that will put humans on Mars

From interplanetary ships to humanoid robots, these are the technologies that will help establish the first human colony on Mars.

New Harvard theory: Aliens have star-powered spaceships

Scientists discovered a massive radio wave, and they can't find a good explanation for it. Unless ...

Exploding supernova spotted in record time

What usually takes weeks, or even months, took these lucky scientists only three hours.

Take a look at the safety suit we'll wear on trips to Mars

Cosmic ray suit will head into space in 2018.

What farming on Mars could teach us about farming on Earth

Citizen scientists are learning to grow food for taste and nutrition, rather than profit.