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Day Zero approaches as Cape Town’s water runs out

Cape Town – the South African city of 3.7 million people – is on the verge of running out of water. Day Zero is the day the taps will get turned off.

Where is Elon Musk’s car going?

It was meant to go into an orbit that would take it past Mars, but where’s it going really? Plus, see outer space from the vantage point of Starman, the mannequin in Elon Musk’s red Tesla Roadster, and much more.

Great Backyard Bird Count February 16–19

Scientists need your help counting birds for the 21st annual Great Backyard Bird Count. It is free and easy to participate. Find out how here.

What is radiocarbon dating?

At a very steady rate, unstable carbon-14 gradually decays to carbon-12. The ratio of these carbon isotopes reveals the ages of some of Earth’s oldest inhabitants.

View of Winter Olympics from space

Ready for the Olympics? Here’s a look at the sites of the 2018 Winter Games, the South Korean cities of Pyeongchang and Gangneung, from above.

Harvard study links breast cancer to light at night

Artificial light has transformed the night sky, a change researchers continue to link to health problems.

Humans witnessed fire-covered Earth at end of Ice Age

New research suggests that some 12,800 years ago, an astonishing 10 percent of the Earth’s land surface was consumed by fires, thanks to a cosmic impact.

James Webb Telescope arrives in California

The James Webb Telescope’s 2 component halves had been undergoing testing in Houston. They’re now at Northrop Grumman Aerospace Systems in California, about to be assembled.

Watch online as 2 asteroids sweep close this week

How to watch online this week as 2 newly discovered asteroids – 2018 CB and 2018 CC – sweep closer to Earth than the moon.

When is the next supermoon?

We’ve just passed a series of 3 full supermoons. The next supermoons of 2018 will be the new moons of June, July and August.