Scientists pull a needle out of a haystack and identify a star that dates back to shortly after the Big Bang.
The SpaceView program will reach out to amateur astronomers in an effort to protect satellites from space junk orbiting the Earth.
For nearly 50 years, Palomar Observatory's Hale Telescope, near San Diego, was the most important device of its kind in the world. Even now, it's still used 290 nights a year. CNET Road Trip 2012 stopped by to check it out.
Rushing tightly around a tiny star, this as-yet unnamed planet seems to be so dense that astronomers believe it is made of carbon and therefore is "a massive diamond".
Astronomers around the world are aiming telescopes at Jupiter to study an Earth-size scar in the planet's atmosphere caused by a presumed comet or asteroid impact.
Astronomical data, Google Maps-style.
Stanford Professor Andrei Linde gets a little choked up when a colleague delivers the news that his theory of cosmic inflation has been verified by the observation of primordial gravitational waves.
The biggest lunar asteroid impact ever recorded on video creates a flash visible from Earth.
An icy object causing a commotion in Saturn's rings may give astronomers insight into how Saturn's moons form.
Newly measured distance to stellar debris in the northern sky links it more firmly to an explosion observers saw in 1181.