NASA's Spitzer Space Telescope has observed dust forming around a dying star in a nearby galaxy, enlivening a debate about the origins of all cosmic dust.
After five groundbreaking years exploring the Red Planet, the communications engineers at NASA's Jet Propulsion Laboratory pretty much know what they are getting when another downlink from Spirit or Opportunity arrives.
The NASA/JPL Stardust spacecraft flew within 9,000 kilometers (5,600 miles) of Earth today. The Stardust-NExT mission is scheduled for an encounter with comet Tempel 1 in Feb. 2011.
Every time we get into our car, turn the key and drive somewhere, we burn gasoline, a fossil fuel derived from crude oil.
Videos, talks from mission leaders and a keynote from former CNN correspondent Miles O'Brien will be part of a program carried on NASA TV for the rover five-year anniversary.
Public events during the next two weeks will share the adventures of the still-active NASA Mars rovers Spirit and Opportunity.
NASA's Kepler spacecraft, scheduled to launch in March on a journey to search for other Earths, arrived in Cape Canaveral, Fla.
JPLer Raghvendra Sahai and colleagues found several runaway stars, racing through space like bullets.