Science and Space Facts, Science and Space, Human Body, Health, Earth, Human Disease

Final Flight of Atlantis Photos

Key Moments of the Last U.S. Space Shuttle to Fly Into Orbit

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Science and Space Features

Galaxy Caught With Stolen Stars

A large galaxy spirited away hundreds of stars from its neighbor about 1.2 billion years ago, new stellar sleuthing reveals.
Shuttle Fan's Greatest Moments

Get reflections and photos from a long-time space shuttle fan who's covered the last six years of shuttle launches.
Photos: 10 Oldest U.S. Nuclear Plants

As U.S. authorities weigh a safety overhaul, here’s a look at the risks unearthed at post-Fukushima inspections of the ten oldest U.S. nuclear reactors.
Top 10 Machu Picchu Secrets

This ancient Inca site has centuries-old secrets trapped in its walls— and more recent ones that we spill here.
New Pluto Moon Found

NASA's Hubble Space Telescope has found a fourth moon around the dwarf planet, and a spacecraft is already on its way to help investigate.
Photos: Biggest "Sea Monster" Skull?

An ancient marine reptile with eight-foot jaws packed the biggest bite in history—and may be a new species, scientists suggest.

Zodiacal Light Rising

Once mistook for campfires and volcanoes, the faint cone of light caused by interplanetary dust will be visible for the next two weeks.
Sizing Up the Supermoon

Just how much bigger than average was Saturday's supermoon? Princeton professor Robert Vanderbei uses lunar pictures to crunch the numbers.
Mercury MESSENGER 101

As NASA's first Mercury orbiter approaches the tiny planet, get the facts behind the mission and find out what scientists hope to learn.

Kevin Hand, Planetary Scientist and Astrobiologist

Planetary scientist and astrobiologist Kevin Hand explores our planet’s most extreme environments to help plan a NASA mission to Jupiter’s moon Europa, extending the search for life beyond Earth.
Hayat Sindi, Science Entrepreneur

Science entrepreneur Hayat Sindi makes life-saving medical tests accessible to remote, impoverished communities through innovative devices that can monitor health under extreme conditions.
Jørn Hurum, Paleontologist

He’s been asking the same question since he was five years old: “Where do I come from?” The answer, Jørn Hurum believes, could lie in fossilized bones, buried for millions of years.

Robots Photo Gallery

Robots are being created that can think, act, and relate to humans. Take a look at the leading edge of robotics technology in this gallery.
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Malapa Fossils

A new ancestor emerges from the richest collection of fossil skeletons ever found. Take a look at the Malapa site and the trove of excavated remains in this gallery.