Partial solar eclipse July 13. Total lunar eclipse July 27. Partial solar eclipse August 11.

Astronomers detected a small asteroid just 8 hours before it struck Earth's atmosphere over southern Africa on June 2, producing a terrific explosion. A few days later, researchers reported finding its meteorites.

A 5-minute video from the European Southern Observatory on the 2019 eclipse in South America and the South Pacific. Eclipse map, and more.

About 5 percent of all UFO sightings cannot be easily explained by weather or human technology. A physicist argues that there's compelling evidence to justify serious scientific study and that the skeptics should step aside – for the sake of humanity.

A research team recorded the sound of methane bubbles seeping from the seafloor off the Oregon coast, with the aim of using acoustics to identify – and perhaps measure – this important greenhouse gas in the ocean.

This past weekend, a massive dust cloud from Africa's Sahara Desert swept across the Atlantic and caused hazy skies across Texas, Mexico and parts of Central America.

On Monday, the sea-going research vessel EV Nautilus will search for fragments of a minivan-sized meteorite that fell into the ocean, after lighting up skies over Washington, Oregon and British Columbia. You're invited!

65 million years ago, a monster asteroid wiped out 2/3 of all life on Earth, including the dinosaurs. But an astrophysicist explains why it’s the smaller near-Earth objects (NEOs) that pose a greater imminent threat.

Space fans waiting for the launch of the Webb Space Telescope - which will be the successor to the Hubble Space Telescope - will have to wait longer.

Researchers tracked 2 great white sharks to find out where they spend their time. Watch a cool video of the tricky job of tagging Lydia, a great white swimming in Florida waters.