SpaceX plans to test-fire its enormous Starship prototype's engines in Boca Chica, Texas at some point today (Jan. 20).
Regular energy flares that emerge from galaxy ESO 253-3 are produced by a black hole about 20 times larger than the one at the center of the Milky Way.
A stolen copy of a da Vinci painting has turned up in an Italian apartment, even though no one knew it was missing. The museum where it was kept had been shuttered due to COVID-19.
Zircon crystals found in stream sediments in Greenland have revealed how the Earth's crust rapidly grew during peak mantle activity.
Scientists describe a new species of assassin bug from a fossil that dates to around 50 million years ago and includes the insect's intact genitals.
Particles called axions may be the reason the 'Magnificent 7' cluster of neutron stars emits extreme X-rays.
A funerary temple belonging to Queen Nearit has been discovered in the ancient Egyptian burial ground Saqqara next to the pyramid of her husband, pharaoh Teti.
A new coronavirus variant has been found in multiple California outbreaks, but scientists aren't yet sure whether it's more transmissible than other strains.
Malcolm X and Dr. Martin Luther King Jr. are two of the most iconic figures of the 20th century and of the civil rights movement. And they were more alike than many may have thought.
Data from the now-destroyed Arecibo radio telescope has revealed a bizarre new type of hybrid venomous-spider star.