Read the latest news about SpaceX's Starship megarocket test flights, launches, photos and more.

A composition photo of images taken during the lunar occultation on Jan. 4 captures the progression of the moon moving in front of Saturn, briefly hiding it from viewers on Earth.

In its final episode, Skeleton Crew sticks the landing with lots of action and some genuinely tense moments, but its answers are limited.

A massive white dwarf and a sun-like "blue lurker" star tell a remarkable story of what was once a triple-star system in the M67 cluster.

As we approach solar maximum, something strange is happening to the sun's magnetic field. We explore this flip in polarity in more detail and look at the effects it could have on Earth.

Hot Jupiters may not be the lonely giants scientists once thought they were.