Young Stars in the Christmas Tree Cluster
The Christmas Tree Cluster, also known as NGC 2264, is a well known star cluster in the Monoceros (the Unicorn)…
New Rings and Moons Around Uranus
NASA's Hubble Space Telescope has helped discover new rings and two small moons orbiting Uranus. The largest ring is twice…
Titan’s Purple Halo
Cassini took this beautiful image of Titan with its orange surface shining against the purple halo of its atmosphere. The…
New Imaging Technique Reveals the Moon’s Secrets
ESA's SMART-1 spacecraft is using a new technique to reveal details on the surface of the Moon. The spacecraft has…
Ariane 5 Blasts Off with Two Satellites
An Ariane 5 rocket blasted off from the Guiana Space Centre on December 21, carrying two satellites into orbit: ESA's…
Galaxies Grow Up in Dark Matter Nurseries
Want to know where new galaxies are going to be born? Just look for clumps of dark matter. Although dark…
Podcast: Plasma Thruster Prototype
If you're going to fly in space, you need some kind of propulsion system. Chemical rockets can accelerate quickly, but…
Podcast: Plasma Thruster Prototype
If you're going to fly in space, you need some kind of propulsion system. Chemical rockets can accelerate quickly, but…
Stardust is Almost Home
After years in space, and having successfully collected samples from a comet, NASA's Stardust spacecraft is almost home. If all…
The Source of Killer Electrons
High energy electrons are a menace to space travel. They can disrupt satellite electronics and pose a serious threat to…