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

In the evening sky, brilliant Jupiter is the brightest starlike object among the bright stars of the winter season, ...

Earth may have a moon today because a nearby neighbor once crashed into us, a new analysis of Apollo samples and terrestrial ...

Around 4.5 billion years ago, a planet called Theia is thought to have smashed into newborn Earth. The messy collision kicked ...

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

Einstein explained that gravity affects each passing second. Clocks slow down where gravity grows stronger. Clocks speed up ...

Researchers have documented 55 instances of "mini lightning" over two Martian years by eavesdropping on the whirling wind ...

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

A hyper-realistic picture of life during that Pleistocene era emerges with Apple TV’s five-part, computer-driven “Prehistoric ...