The mystery of the James Webb Space Telescope's "little red dots" could be solved if they are not ancient galaxies but are entirely new celestial objects called "black hole stars."

Firefly Aerospace has completed its investigation into the anomaly that caused its Alpha rocket to a plunge into the sea near Antarctica on April 29.

Viking consisted of two twin orbiters and landers, with experimental chambers in the landers to conduct three biology experiments.

A striking sight to the unaided eye; even more so with binoculars.

On Sept. 15, 1968, the Soviet Union launched the Zond 5 spacecraft on a mission to loop around the moon and return to Earth.