NASA will announce the first class of astronauts in four years who could one day be eligible for missions to the moon and Mars.

This long-duration comet will make its closest approach to Earth this fall, before disappearing into the outer solar system ...

According to Meteorologist Eric Snitil in New York, the comet will be brighter this week. The meteorologist with WROC in Rochester, N.Y., said the best way to see Comet Lemmon, also known as Comet ...

NASA says the meteor shower is best viewed during the pre-dawn hours, but the sweet spot is between midnight and 2 a.m. Make ...

From landing on the moon to navigating the Mars rover, NASA — the National Aeronautics and Space Administration — has captured the imagination of children and adults alike since its founding in 1958.