Mars Express: Looking Beneath Mars’ Surface
To truly know and understand another world, planetary scientists need to look beneath the surface of that planet. This has…
Inflation Theory Takes a Little Kick in the Pants
Inflation theory proposes that the universe underwent a period of exponential expansion right after the Big Bang. One of the…
Galactic Ghosts Haunt Their Killers
The title may sound dramatic, but it is very descriptive. New observations of two galaxies have shown huge streams of…
The Pioneer Anomaly: A Deviation from Einstein Gravity?
Both Pioneer probes are approximately 240,000 miles (386,000 km) closer to the Sun than predicted by calculation. Scientists have been…
Radiation Sickness, Cellular Damage and Increased Cancer Risk for Long-term Missions to Mars
There is a nagging problem under the surface of the excitement surrounding the future of long-term missions into space. Human…
Latest News on Apophis: 13 -year-old Boy Corrects NASA’s Estimates of Earth Impact — Not! (Update)
Update: It turns out this story is a fabrication and AFP didn't check the facts with NASA as I suspected.…
Where In The World (and What World) Is This?
Anyone care to guess what orbiting spacecraft is responsible for taking this image, or even what world this is a…
Astrosphere for April 15, 2008
Don't just look inward, look outward. There's a whole astrosphere out there. Your picture for the day is Saturn (of…
Coolest, Darkest Brown Dwarf Discovered
The coolest brown dwarf has been discovered, with a surface temperature of 623 Kelvin (that's only 350 Celsius or 660…
Milky Way’s Black Hole Gave Off a Burst 300 Years Ago
Our Milky Way's black hole is quiet - too quiet - some astronomers might say. But according to a team…