Dutch astronomer Jan Oort was born on April 28, 1900. He visualized a vast reservoir of icy comets on the fringes of our solar system, which now bears his name.
Europa's odd ridges may form similarly to those in Greenland. The ridges occur over subsurface pockets of potentially habitable water in the moon's ice shell.
Astronomers using orbital and ground telescopes suddenly noticed stars that increase in brightness for only a few hours. They're calling them micronovas.
NASA found critical faults in 2 systems on SLS, causing technicians to cancel a dress rehearsal of the ship’s launch. The delay will likely affect Artemis 1.
Scientists are planning a new message to the stars. The scientists would send binary code in radio waves of math, physics, our DNA, solar system and more.