DARPA seeks a "100x zoom lens" for seeing distant space objects more clearly
Imaging of Earth from satellites in space has vastly improved in recent years. But the opposite challenge—using Earth-based systems to find, track and provide detailed characterization of satellites and ...
Ceres animation showcases bright spots
The mysterious bright spots on the dwarf planet Ceres are better resolved in a new sequence of images taken by NASA's Dawn spacecraft on May 3 and 4, 2015. The images were taken from a distance of 8,400 miles ...
Traffic around Mars gets busy
NASA has beefed up a process of traffic monitoring, communication and maneuver planning to ensure that Mars orbiters do not approach each other too closely.
US Air Force tracks spinning space capsule as orbit drops
The U.S. Air Force is keeping close tabs on Russia's tumbling, out-of-control space capsule as it comes closer to re-entering Earth's atmosphere.
Doomsday at Mercury: NASA craft close to falling into planet
The only spacecraft ever to orbit Mercury, NASA's Messenger, is ending its four-year tour at the solar system's innermost planet with a crash landing.
What can we do with unwanted satellites?
There are thousands of satellites in Earth orbit, of varying age and usefulness. At some point they reach the end of their lives, at which point they become floating junk. What do we do with them then?
Image: Unboxing Mercury Magnetospheric Orbiter flight model
Unboxing the Mercury Magnetospheric Orbiter at ESA's Test Centre, Japan's contribution to the joint BepiColombo mission to the innermost world of our Solar System.
Space station refuelling craft is out of control and plunging to earth
Beyond the James Webb, a future high-definition telescope could probe life on exoplanets
The James Webb Space Telescope will be Earth's premier space observatory for the next decade, serving thousands of astronomers worldwide. However its scientific mission will be limited. Unlike Hubble, which ...
The view from up there, down here
When many people saw the first stunning photos of the fragile blue marble of Earth from space, it changed their outlook of humanity. It was a singular moment in time when people around the world were watching ...
Ariane 5's first launch of 2015
An Ariane 5 has lifted off from Europe's Spaceport in Kourou, French Guiana and delivered two telecom satellites into their planned orbits.
Start of dwarf planet mission delayed after small mix-up
NASA said Friday observations of a dwarf planet have been delayed slightly after a communication glitch.
The 2011 Tohoku-Oki earthquake—felt from space
For the first time, a natural source of infrasonic waves of Earth has been measured directly from space—450 kilometers above the planet's surface. The source was the massive 2011 Tohoku-Oki earthquake in ...
Ceres' bright spots come back into view
The two brightest spots on dwarf planet Ceres, which have fascinated scientists for months, are back in view in the newest images from NASA's Dawn spacecraft. Dawn took these images on April 14 and 15 from ...