Space shuttle Endeavour and its crew of seven departed the international space station on Friday, ending a 12-day visit that left the orbiting complex with more modern and deluxe living quarters for bigger crews.
Since its launch in 1997, the Tropical Rainfall Measuring Mission, or TRMM satellite, has become the worlds most widely used space-based resource for measuring Earths precipitation a key to understanding how weather affects and changes life here on Earth
Three billion miles away from Earth, near the farthest reaches of our solar system, is the heavenly body with an extreme orbit known for 76 years as Pluto.
HiRISE images reveal abundant boulders in surface units, evidence for water-carved gullies, although the most recent bright gully deposits could have been dry flows.
Ulysses was the first mission to survey the space environment above and below the poles of the Sun's . The reams of data Ulysses returned over its 17-year life forever changed the way scientists view our star and its effects on the solar system.
Clouds have forever held the imagination of skygazers who are captivated by their endless beauty & seeming randomness. But clouds, & what's in them, also hold fascination for scientists who seek to understand the effects they have on life here on Earth.
IBEX will go into orbit 200-thousand miles above the Earth most of the way to the moon. It will use a pair of atom sensors that will act as cameras. They will produce images depicting the interactions between the solar wind and the interstellar medium.