NSF early star rendering

The Earliest Stars

Astronomers who noticed a slight blip in space's background radiation got an insight not just into the early stars but into the age and nature of the early universe.
Neutron star collision

A Primer on Neutron Stars

In the far off constellation of Hydra; two neutron stars collided, producing vast clouds of gold and other heavy elements. What's a neutron star anyway?

Sending Tiny Robots to the Nearest Star

A group of astrophysicists think they have found a way to send a probe to the newest star system, Alpha Centauri.