Oxford researchers have unearthed a cosmic surprise showing that the hydrogen needed for water was embedded in the very rocks ...

To best see the Lyrid meteor shower, Griffith Observatory's director suggests heading to the mountains or desert to get away ...

As you watch the night sky, streaks of light often flash for a moment, then disappear. These brilliant flashes—called ...

Lucy’s next stop — “the main event,” as Levison calls it — will be the Trojan asteroids that share Jupiter’s orbit around the ...

Space agencies from the US, Europe and Japan are all making plans to visit the asteroid Apophis when it makes an extremely ...

Much of what scientists know about the early solar system comes from meteorites—ancient rocks that travel through space and survive a fiery plunge through Earth's atmosphere. Among meteorites, one ...

One of the first major meteor showers of the year will coincide with Earth Day this year, offering a heavenly experience for ...

It’s known for its bright and fast-moving shooting stars resulting from Halley’s comet, the most famous comet of all, which ...

The Lyrid meteor shower is about to reach its peak activity for April. Here's when and how to see it, along with a cloud forecast.

YR4 won't hit Earth, but scientists now estimate a 4% chance it could strike the Moon, possibly affecting space missions.

A fireball soared over Mexico City in the early hours of April 16. It wasn't a meteorite, though — it was a bolide, a much ...