"Cosmos" writer and creator Ann Druyan talks about the upcoming season and why everyone deserves to understand science.
The new ExTrA telescopes aren't just looking for exoplanets: French researchers will use the instruments to learn about distant atmospheres, too.
Scott Kelly clocked 520 days in space during his career as a NASA astronaut — the most of any American.
Rocket Lab, a commercial space company seeking to shine among the satellite launch industry, has secretly sent its own "star" into orbit.
A new theory connects three of the most energetic particles in the universe.