Bird Watchers Help Science Fill Gaps in the Migratory Story
By NICHOLAS ST. FLEUR With a flood of amateur data, researchers create an animated map showing where birds […]
Science
Tribes’ Win in Fight for La Jolla Bones Clouds Hopes ...
By CARL ZIMMER For years the remains have been out of reach, the subject of a legal struggle […]
Dr. Herbert L. Abrams, Who Worked Against Nuclear War, Dies ...
By WILLIAM GRIMES Dr. Abrams, an expert in cardiovascular radiology, was a founder of International Physicians for the […]
Elliptical M60, Spiral NGC 4647
Giant elliptical galaxy M60 and spiral galaxy NGC 4647 do look like an odd couple in this sharp […]
Signs of Modern Astronomy Seen in Ancient Babylon
By KENNETH CHANG Scientists have found a small clay tablet with markings indicating that a sort of precalculus […]
The Challenger Explosion, 30 Years Later
By KAREN WORKMAN The explosion of the space shuttle Challenger on Jan. 28, 1986, remains one of the […]
An Airglow Fan from Lake to Sky
Why would the sky look like a giant fan? Airglow. The featured intermittent green glow appeared to rise […]
A Candidate for the Biggest Boom Yet Seen
It is a candidate for the brightest and most powerful explosion ever seen — what is it? The […]
How to Get Five Planets Into a Single Photograph
By NICHOLAS ST. FLEUR The trickiest aspect of capturing Mercury, Venus, Mars, Jupiter and Saturn in the same […]
Linking Arthritis to Old Injuries
By C. CLAIBORNE RAY Post-traumatic arthritis is a leading cause of disability, especially for wounded soldiers, but a […]