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NASA Embraces Small Satellites Poster
Earth, Sun
Mar 20, 2017
NASA is embracing small satellite designs, from tiny CubeSats to micro-satellites. These miniature marvels are providing many ways to collect science data and to demonstrate new technologies.
Solar System
Dec 12, 2014
Earth is passing through a stream of debris from "rock comet" 3200 Phaethon, source of the annual Geminid meteor shower. Forecasters expect as many as 120 meteors per hour when the shower peaks on Dec. 13-14.
ScienceCasts: Embers from a Rock Comet: The 2014 Geminid Meteor Shower
Sun, Solar System
Dec 12, 2014
Dec. 12, 2014: December has arrived, and for backyard sky watchers that means one thing:  It is time for the annual Geminid meteor shower. Every year in early December, Earth passes through a stream of gravelly, dusty debris from "rock comet" 3200 Phaethon.  This... Read More
Solar System
Dec 7, 2014
Dec. 7, 2014: After a voyage of nearly nine years and three billion miles —the farthest any space mission has ever traveled to reach its primary target – NASA’s New Horizons spacecraft came out of hibernation on Dec. 6th for its long-awaited 2015 encounter with the Pluto system.
Solar System
Dec 5, 2014
Dec. 5, 2014: NASA marked a major milestone Friday on its journey to Mars as the Orion spacecraft completed its first voyage to space, traveling farther than any spacecraft designed for astronauts has been in more than 40 years.
Earth
Dec 4, 2014
Dec. 4, 2014: The world is getting warmer.
Universe
Dec 4, 2014
Dec. 4, 2014: On Dec. 3, the Japan Aerospace Exploration Agency (JAXA) successfully launched its Hayabusa2 mission to rendezvous with an asteroid, land a small probe plus three mini rovers on its surface, and then return samples to Earth. NASA and JAXA are cooperating on the science of the... Read More
Earth
Dec 2, 2014
Arctic and Antarctic sea ice are both affected by climate change, but the two poles of Earth are behaving in intriguingly different ways.
ScienceCasts: Climate Change and the Yin-Yang of Polar Sea Ice
Earth, Solar System
Nov 28, 2014
Nov 28, 2014: The ruddy color of Jupiter's Great Red Spot is likely a product of simple chemicals being broken apart by sunlight in the planet's upper atmosphere, according to a new analysis of data from NASA's Cassini mission. The results contradict the other leading theory for... Read More
Earth, Sun
Nov 27, 2014
Nov 27, 2014: Two donuts of seething radiation that surround Earth, called the Van Allen radiation belts, have been found to contain a nearly impenetrable barrier that prevents the fastest, most energetic electrons from reaching Earth.
Solar System
Nov 24, 2014
The Moon might not be as dead as it looks. Researchers using NASA's Lunar Reconnaissance Orbiter have found signs of geologically-recent volcanic eruptions on Earth's natural satellite.
ScienceCasts: Young Volcanoes on the Moon
Solar System
Nov 24, 2014
Nov 24, 2014: Back in 1971, Apollo 15 astronauts orbiting the Moon photographed something very odd.  Researchers called it "Ina," and it looked like the aftermath of a volcanic eruption. 
Earth, Sun
Nov 24, 2014
Nov 24, 2014: Thanksgiving is the biggest travel holiday of the year in the United States. Millions of people board airplanes and fly long hours to visit friends and family. Dreading the trip? Think of it as a sky watching opportunity. There are some things you can... Read More
Universe
Nov 21, 2014
Nov 21, 2014: A 3D image shows what it would look like to fly over the surface of comet 67P/Churyumov-Gerasimenko. The image was generated from data collected by the Rosetta Lander Imaging System (ROLIS) aboard the European Space Agency’s Philae spacecraft during the descent to the spacecraft’s... Read More
Universe, Solar System
Nov 18, 2014
Nov 18, 2014: Born from the rubble of a violent collision, hurled through space for millions of years and dismembered by the gravity of planets, asteroid Bennu had a tough life in a rough neighborhood: the early solar system. "Bennu's Journey," a new animation... Read More