Scientists found a remarkably stable 'black widow ' pulsar that could be used to help detect gravitational waves.
Critical prelaunch tests for the Artemis I moon mission, known as a "wet dress rehearsal," are scheduled to begin on April 1 and continue through April 4.
The researchers plan to seek FDA approval soon.
Researchers got video footage of a bright red strawberry squid in the ocean's twilight zone off the coast of California.