Atlantis Will Ride Out Ernesto
NASA managers decided on Tuesday that Tropical Storm Ernesto won't pose a threat to the Space Shuttle Atlantis, so they…
Rings Lit by Saturn’s Shine
This is a view looking down onto the unlit side of Saturn's rings, lit only by the reflected light from…
Hubble’s View of Supernova Remnant Cassiopeia A
NASA's Hubble Space Telescope took this photograph of supernova remnant Cassiopeia A, one of the youngest remnants we know of…
High Altitude Clouds on Mars
ESA scientists have discovered some extremely high altitude clouds on Mars - between 80 and 100 km (50 to 62…
Storm Delays Shuttle Launch
NASA has pushed back the launch of the Space Shuttle Atlantis because of Tropical Storm Ernesto, currently threatening the East…
What’s Up this Week: August 28 – September 3, 2006
Greetings, fellow SkyWatchers! Saturn returns to the morning sky and Selene is back to rule the night. Follow along this…
Fine Tuning the Search for Black Holes
Although black holes can't be seen directly, they're relatively easy to find. Matter spiraling into a black hole becomes superheated,…
The Secret to Earth’s Shining Auroras
Auroras appear near to the poles when material from the Sun interacts with the Earth's magnetic field. Now ESA's Cluster…
Did Mariner IV Pass Through a Comet’s Tail?
On July 14, 1965, NASA's Mariner 4 made the first successful flyby of Mars; after six spacecraft had already failed…
STS-115 Brings More Power to the Station
STS-115 is an ambitious mission that returns the focus of human spaceflight to building the International Space Station, bringing new…