First images from Sunday’s last close sweep of Hyperion

The Cassini mission to Saturn - which has brought us so many breathtaking images - took a last close look at Saturn's moon Hyperion on Sunday.

Crashing comets may explain lunar swirls

Scientists see wispy swirls of bright soil on the moon. A computer simulation suggests the cause may be collisions by ancient comets.

Shock collision inside black hole jet

Time-lapse movie of plasma jet blasting from a black hole in a distant galaxy. It shows a rear-end collision between two high-speed knots of the jet's matter.

Strong earthquake strikes off Oregon coast

No tsunami warming, no apparent problems, from this 5.8-magnitude earthquake that struck in the ocean 281 miles west of Waldport, Oregon.

NOAA forecasts slow 2015 Atlantic hurricane season

NOAA forecasts 6-11 named storms, 3-6 hurricanes, and 0-2 major hurricanes.

Now is the time to prepare for hurricanes

Atlantic hurricane season officially begins June 1 and lasts through November. Preparing in advance saves lives. Some tips to help you plan, here.

LightSail phones home after 8-day silence

Planetary Society CEO Bill Nye said, "LightSail called home! It’s alive! Our LightSail spacecraft has rebooted itself, just as our engineers predicted."

Humans tell whales apart by their voices

Detailed analysis of a particular type of call - known as an upcall - let human researchers single out whales as individuals.

Video: 40 hours at Ningaloo Reef

No beach days yet? This wonderful video by Colin Legg lets you spend two days and nights at a reef in Australia.

Octopus opens a jar, from the inside

Check out this video. More evidence that octopuses are amazing.