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Spot The Station

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Artist concept of space weather showing an active Sun with flares and a CME in the upper right, the Earth in the lower right with types of technology affected by space weather to the lower left; satellites, airplanes, the ISS and ground-based electrical lines.

Heliophysics

Studying the Sun-Earth connection.

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Mars

Latest from NASA's spacecraft exploring the red planet.

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Cassini at Saturn

Unlocking the secrets of the ringed giant and its moons

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Science Mission Directorate

NASA uses orbiting observers and robotic landers to investigate the planets, moons, comets, and asteroids of our Solar System.

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Latest Features

The fully integrated spacecraft and science instrument for IRIS mission is seen in a clean room.

IRIS Spacecraft Is Fully Integrated

NASA's next Small Explorer mission, the Interface Region Imaging Spectrograph (IRIS), which will study the little-understood lower levels of the ...

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Layered rocks on the floor of McLaughlin Crater

Martian Crater May Once Have Held Groundwater-Fed Lake

A NASA spacecraft is providing new evidence of a wet underground environment on Mars that adds to an increasingly complex picture of the Red Planet's ...

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Ms. Curiosity Goes to Washington

The people of NASA's Mars Science Laboratory mission have been named winners of a 2013 Space Foundation award for advancing exploration of space.

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More Features

Titan Gets a Dune "Makeover"

01.17.13 - Saturn's largest moon may look much younger than it really is because its craters are getting erased.
NASA Beams Mona Lisa to the Moon

01.17.13 - NASA beamed an image of the Mona Lisa to the LRO spacecraft as part of the first demo of laser communication with a satellite at the moon.
Bubbling up Organics in an Ocean Vent Simulator

01.16.13 - This week, scientists at NASA's Jet Propulsion Laboratory are running an experiment simulating a deep ocean hydrothermal vent to test theories about the origins of life.
NASA Mars Rover Preparing to Drill Into First Martian Rock

01.15.13 - NASA's Mars rover Curiosity is driving toward a flat rock with pale veins that may hold clues to a wet history on the Red Planet.
Mars Rover Curiosity's Team to Receive Space Foundation Award

01.15.13 - The people of NASA's Mars Science Laboratory mission have been named winners of a 2013 Space Foundation award for advancing exploration of space.

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News Releases

Martian Crater Once May Have Held Groundwater-Fed Lake

01.20.13 - A NASA spacecraft is providing new evidence of a wet underground environment on Mars that adds to an increasingly complex picture of the Red Planet's early evolution.
NASA Mars Rover Preparing to Drill Into First Martian Rock

01.15.13 - NASA's Mars rover Curiosity is driving toward a flat rock with pale veins that may hold clues to a wet history on the Red Planet.
NASA Participates in Presidential Inaugural Activities Jan. 18-21

01.15.13 - NASA will participate in the inauguration of President Obama with several events, including an open house, a star party and a NASA Social; exhibits on the National Mall and at NASA Headquarters; and with two floats and marchers in the inaugural parade.
NASA Hosts Jan. 15 Teleconference on Curiosity Rover Progress

01.14.13 - NASA will host a media teleconference at 10 a.m. PST (1 p.m. EST) Tuesday, Jan. 15, to provide an update about the Curiosity rover's mission to Mars' Gale Crater.

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Latest Images

Brother Moons

Saturn's small moons Atlas, Prometheus, and Epimetheus

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Solar Eruption

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Interactive Features

747 Shuttle Carrier Aircraft Overview

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The Future of Human Space Flight

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Podcasts

NASACast: Solar System

Audio and Video podcasts on NASA missions exploring our solar system.
NASACast: What's Up?

NASA's monthly guide to watching the night sky.