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The doc will see you now — on the space shuttle

For astronauts living on the International Space Station, getting sick or injured can be a big deal — they're zooming around the Earth at 17,500 mph, far beyond the reach of hospitals on the ground. Full story

Brooks takes on emotions in ‘Social Animal’

New moon of March: How early can you see it?

Leading theory about cosmic rays shot down

Where next for NASA? Scientists draw up wish list

Land a rover on Mars to collect rocks and soil samples that could later be returned to Earth. If that's a budget-buster, then orbit Jupiter's moon Europa, which may have a liquid ocean beneath its frozen surface, or study Uranus' atmosphere. Full story

Strange life signs found on meteorites: NASA scientist

A NASA scientist reports detecting tiny fossilized bacteria on three meteorites, and maintains these microscopic life forms are not native to Earth. Full story

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Articles

Mock Mars Explorers Say Farewell to Virtual Red Planet

Here's a thought: Orphan planets support life

NASA's Earth-observing satellite to launch Friday

New record: 19 asteroids discovered in one night

Spacewalking Astronauts Capture Space in a Bottle

Hopping 'Bot Bound for Moon

NASA delays launch for Earth-orbiting satellite

A chance to see Discovery's parting (space) shot

Ancient megadroughts preview warmer climate: study

Launch of NASA Glory satellite postponed again

Video

  Amazing NASA video of solar flare

NASA's Solar Dynamics Observatory captured this video of a massive solar eruption on Feb. 24. The source was an active region located just behind the sun's eastern limb, and the coronal mass ejection was not directed at Earth. (no audio)

  Cosmonauts install earthquake predictor on ISS

Two Russian cosmonauts perform a spacewalk on the ISS to install new scientific technology that may be useful to predicting seismic activity on Earth. Msnbc.com's Al Stirrett reports.

  Early dinosaur species believed found

Researchers in Argentina believe they have uncovered one of the first dinosaurs to have roamed the Earth. The team is calling it "Dawn Runner" because the two-legged dinosaur dates back 230-million-years. Msnbc.com's Al Stirrett reports.

  Think you're a Gemini? Don't be so sure

A Minnesota astronomer says that due to the gradual change in the Earth's alignment, astrological signs may have shifted. NBC's Brian Williams reports.

  Driving through the road in Serengeti

NBC’s Richard Engel offers this video diary on one of the last pristine environments on Earth, and how a development project in Tanzania is putting that in danger.

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Related Photos

In the grasp of the International Space
In the grasp of the International Space

In the grasp of the International Space Station's Canadarm2, the Italian-built Permanent Multipurpose Module is transferred from space shuttle Discovery's payload bay to be permanently attached to the Earth-facing port of the station's Unity node in this March 1, 2011 NASA handout image. Earth's ho

This composite image of Arp 147, a pair of interacting galaxies located about 430 million light years from Earth, shows X-rays from the NASA's Chandra X-ray Observatory and optical data from the Hubble Space Telescope (red, green, blue) produced by the Space Telescope Science Institute in Baltimor

The aurora borealis, or northern lights, are seen on the sky above the village of Ersfjordbotn near Tromso in northern Norway
The aurora borealis, or northern lights, are seen on the sky above the village of Ersfjordbotn near Tromso in northern Norway

The aurora borealis, or northern lights, are seen on the sky above the village of Ersfjordbotn near Tromso in northern Norway on Feb. 21. Aurorae are caused by the interaction between energetic charged particles from the sun and gas molecules in the upper atmosphere of the Earth, about 100 kilometre

THE northern lights
THE northern lights

epa02594671 The aurora borealis or the northern lights are seen on the sky above the village of Ersfjordbotn near Tromso in northern Norway, early 21 February 2011. Aurorae are caused by the interaction between energetic charged particles from the Sun and gas molecules in the upper atmosphere of t