Doctor with rare disease works to find cure

Dr. David Fajgenbaum is both a physician and patient with Castleman disease, and he's heading up a database to help increase understanding of the often deadly condition

• Nov 28, 2016

Envisioning black holes

Astronomers zero in on some of the most mystifying phenomena in the universe

• May 13, 2022
• 26 photos

Newly released photos of Apollo moon missions

A treasure trove of original NASA images gives an unprecedented view of man's first lunar encounters

• Oct 5, 2015
• 19 photos

Toilet-to-tap water programs gain support in California

As the historic drought continues, alternative water-saving measures include turning wastewater into drinking water

• Jun 2, 2015

Items from famed Apollo 13 mission up for auction

The auction Friday includes a miniature "Lunar Bible" and a note of thanks for saving the crew's life

• May 22, 2015

Unusual objects launched into space

From "Star Wars" X-wing fighters and Hello Kitty dolls, to hamburgers and pizza - just some of the weird objects captured floating high above Earth

• Apr 30, 2015

Many Americans doubt Big Bang, evolution and climate change, poll shows

Most Americans have no qualms about saying smoking causes cancer, but when it comes to other scientific concepts, they are less than confident

• Apr 21, 2014

Cassini captures Saturn and its moons

Stunning images of the sixth planet from the sun and its moons from NASA's Cassini spacecraft mission

• Sep 15, 2017
• 31 photos

Professor Alan Alda teaches scientists how to speak

The actor-writer-director says plain-talking scientists are what is needed to communicate the imperatives of science

• Apr 21, 2013

Extinct — but maybe not forever

Scientists discuss the possibility of bringing back extinct species

• Mar 18, 2013
• 8 photos

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