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The longest night of the year and how it works.

Chaser isn't just learning objects by name: she's beginning to understand the basic structure of human language.

Mars One has begun accepting video applications for a mission to colonize the red planet in 2023.

Web security has never been more important.

Gone, but too awesome to forget

Why decarbonizing is harder than just greening electricity.

NASA is deliberately crashing the probes into a small mountain-like feature on the moon's north pole. Farewell, GRAIL!

Some countries have already restricted the shot's use, but European regulators say it's worth using the vaccine mid-pandemic.

Working nutrition into your meals is easier than you think.

Morpheus could set the standard for protecting data on personal computers and in the cloud.

A great wok is indispensable for stir frys but you can also use it for other types of cooking.

The reason why is still unknown.

The billion-dollar, cutting-edge science of convincing dogs and cats to eat what’s in front of them.

Special Operations Command wants new aircraft for "armed overwatch." These are the options.

I can't believe that's science!

Awesomely terrifying, or terrifyingly awesome?

A new microscope enables scientists to see the intricate 3-D structure of everything from cartilage to Velcro.

Luckily, even as consumers, there's a lot we can do.

A huge chunk of paper products get recycled—but the industry isn't perfect.

New research came from a famous bed bug lineage