Astronaut and former Kepler mission science office director Janice Voss inspects a printout depicting the star field as seen through…
On Jan. 27, 2012, a large X-class flare erupted from an active region near the solar west limb. X-class flares…
A quintet of Saturn’s moons come together in the Cassini spacecraft’s field of view for this portrait. Janus (179 kilometers,…
A crescent Enceladus appears with Saturn’s rings in this Cassini spacecraft view of the moon. The famed jets of water…
Vital clues about the devastating ends to the lives of massive stars can be found by studying the aftermath of…
