We've dreamt of turning Mars into Earth 2.0 for decades. But is it possible? Or even worth the effort?

Some Canadians are trying to save cashier jobs. But their phones and cheap, proven technology is poised to eliminate having to check out altogether.

We should take the gig economy's rapid growth and global impact as a warning that we need to make some major changes, and we need to make them very quickly.

He Jiankui tried to create two human beings resistant to HIV. Instead he triggered an international scandal with his methods and work experts describe as amateurish and shoddy.

Researchers may have found a cheap, easy, and far less invasive way to screen for cancer than conventional scans and biopsies. But there's still a lot to test before it makes its way to your doctor's office.

A new geoengineering experiment seeks to cool the Earth by safely emulating the aftermath of volcanic eruptions. But even if it's successful, all it can do is buy us time.

New observations of the center of our galaxy have, for the first time, revealed hotspots in the disk of chaotic gas orbiting our Milky Way's supermassive black hole.

The world's most remote and least contacted tribe wants to be left alone, and they'll use lethal force to make sure of it. But what happens if that contact is accidental?

Researchers want you to know that immersing yourself in your own mind isn't all sunshine and enlightenment.

A common refrain says that we live twice as long as our ancestors while it's our life expectancy that's increased, not our lifespan. And that difference is extremely important to keep in mind.

Voting online would be easy and convenient for millions of voters. But won't solve big problems and we already have an almost equally convenient way to cast your ballot.

Thanksgiving marks the start of the winter holidays and the dread associated with having to deal with relatives and family friends you rather wouldn't...

We think of water as the most essential ingredient for life, but as a recent discovery shows, it can also be toxic to living things in alien environments

A recent paper with a grim notice about the planet's warming oceans was wrong according to a climate change contrarian. Its authors agree.

How do we know what the insides of Venus or Jupiter look like? The short answer is that we don't. The longer answer is that we make a fairly accurately guess.