Apollo samples provide evidence: Researchers analyzed Moon rocks brought back by the Apollo missions and, for the first time, ...

Scientists have detected tiny lightning bolts on Mars for the first time — they were found discharging around NASA's ...

Still, science being science, we needed proof—and we got it in 1992, when two astronomers found two planets orbiting a pulsar ...

When astronomers search for planets that could host liquid water on their surface, they start by looking at a star's habitable zone. Water is a key ingredient for life, and on a planet too close to ...

When most people think of astrology, they typically think of their zodiac sign, also known as their Sun sign—the one that ...

Did you know there are only 8 planets left? In this video, Maneeza Ahuja reveals the secrets of astrology and explains how ...

The picture-perfect launch of twin Escapade orbiters bound for Mars presages a fantastical new age in exploring the planets, ...

One of the most elegant theories about the origins of life on our planet is that it was kick-started by a delivery from outer ...

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Little is known about the long-destroyed moon-forming planet, Theia. But it may have been born in the inner solar system—just like Earth—a new study suggests ...

For those who want to work out on Thanksgiving, here's what to know about gyms like Planet Fitness, Orangetheory, YMCA and ...

From woolly mammoths to giant sloths, via some lesser-known ice-age beasts like 'killer koalas', the visuals in this ...