This hummingbird video will melt your heart

Hummingbirds playing in a fountain. Toward the end, listen for the little clicks and chirps.

Chinese mantis

Say hello to an insect friend ...

Crocodiles work as a team to hunt their prey

Crocs are able to conduct highly organized game drives. They might be second only to humans in their hunting prowess, says a researcher.

Massive icebergs once drifted to Florida

New research suggests that during Earth's last ice age - about 21,000 years ago - icebergs regularly reached South Carolina and even southern Florida.

4 a.m aurora

Aurora, mirrored in water, west of Saskatoon in Canada. Photo by Colin Chatfield.

Largest-yet study describes near-death experiences

Tunnels ending in light, your life flashing before you, out-of-body sensations. Near-death experiences merit further study without prejudice, these researchers say.

Milky Way’s dark matter half what we thought?

Australian astronomers say our Milky Way galaxy has only half the dark matter we thought it did. If so, it explains the shortage of Milky Way satellites.

Active moon volcanos in geologically recent times

Last volcanic activity on moon thought to be a billion years ago. Now small lava flows on moon’s dark plains suggest activity as recently as 50 million years ago.

Comet Siding Spring near M6

Comet C/2013 A1 Siding Spring near the star cluster M6 on October 9, 2014.

MESSENGER spacecraft sees lunar eclipse from Mercury

The MESSENGER spacecraft, now orbiting Mercury, caught the images to make this movie of last Wednesday's lunar eclipse. See Earth and moon from Mercury!