Latest Explorer program Stories
Astronomers have found mysterious, giant loops of ultraviolet light in aged, massive galaxies, which seem to have a second lease on life.
A blast of the brightest X-rays ever detected from beyond our Milky Way galaxy's neighborhood temporarily blinded the X-ray eye on NASA's Swift space observatory earlier this summer.
NASA's Galaxy Evolution Explorer has discovered a galaxy tail studded with bright knots of new stars.
GREENBELT, Md., June 14 /PRNewswire-USNewswire/ -- The Solar X-Ray Imager instrument aboard the GOES-15 satellite has just provided its first light image of the sun, but it required a lot of experts to make it happen.
In its first five years in orbit, NASA's Swift satellite has given astronomers more than they could have hoped for.
Mission engineers and scientists with NASA's Galaxy Evolution Explorer, a space telescope that has been beaming back pictures of galaxies for three times its design lifespan, are no longer planning science observations around one of its two ultraviolet detectors.
NASA has extended a contract with the Smithsonian Astrophysical Observatory in Cambridge, Mass, to provide science and operational support for the Chandra X-ray Observatory, a powerful tool used to better understand the structure and evolution of the universe.
A network of cameras deployed around the Arctic in support of NASA's THEMIS mission has made a startling discovery about the Northern Lights.
NASA's Wide-field Infrared Survey Explorer, or Wise, is now perched atop its rocket at Vandenberg Air Force Base, north of Santa Barbara, Calif.
NASA's Cosmic Background Explorer (COBE) satellite rocketed into Earth orbit on Nov 18, 1989, and quickly revolutionized our understanding of the early cosmos.
- totally perplexed and mixed up.