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

This month will bring some striking celestial sights, including one of the year’s best meteor showers and a glowing ...

Instead of the sharp, groundbreaking visuals many expected, the recently unveiled images were surprisingly blurry, a result ...

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

When a meteor flashes across the night sky, it’s more than a beautiful streak of light. It’s a delivery from deep space—an ...

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 ...

Tryptophan, the essential amino acid behind the Thanksgiving myth that eating turkey can make you sleepy, has been found to ...

Small icy moons may have hidden oceans that briefly boil under thick ice. Changing pressure inside these moons shapes their ...

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 ...

When a meteor streaks across the sky, it's not just beautiful. It's nature's way of delivering a time capsule to Earth.