April 22, 2017, 2:31 p.m. by Starre Vartan
This long-running study shows how top carnivores profoundly affect their local ecosystems.
NASA's 'Black Marble' shows Earth's nighttime glow
April 19, 2017, 5:46 p.m. by Michael d'Estries
New global map of Earth at night shows the growing impact of light pollution across the globe.
Birds respond to human noise by singing louder, shorter songs
April 19, 2017, 3:03 p.m. by Starre Vartan
Songbirds are trying to communicate over our cacophony.
Latest iceberg off Newfoundland coast leaves crowds awestruck
April 19, 2017, 1:12 p.m. by Mary Jo DiLonardo
It's been a busy season already in 'iceberg alley,' and some experts blame global warming.
Giant shipworm the size of a baseball bat found alive for first time
April 18, 2017, 11:59 p.m. by Bryan Nelson
And the video makes it clear it's the stuff of nightmares.
Cosmic web of 'dark matter bridges' link galaxies across the universe
April 17, 2017, 9:45 p.m. by Bryan Nelson
The first image of a dark matter bridge has been captured by Canadian astrophysicists.
See April the giraffe's calf takes its first steps
April 17, 2017, 12:26 p.m. by Noel Kirkpatrick
The calf's wobbly steps were much anticipated after a long pregnancy.
Startling before-and-after images of melting glaciers tell the story of climate change
April 17, 2017, 6:31 a.m. by Jaymi Heimbuch
These images are worth a thousand words in explaining the impacts of ice retreating against warming temperatures.
What our fascination with April the giraffe's pregnancy says about us
April 15, 2017, 12:13 p.m. by Mary Jo DiLonardo
Sure, we love animals, but we love rooting for the underdog, too.