SpaceX tests upcoming Starfall reentry vehicle with demonstration mission on Tuesday
The June 1876 firefight resulted in the deaths of George Armstrong Custer and 267 of his men. Historians continue to debate exactly how the Lakota Sioux and the Northern Cheyenne secured their victory over the U.S. Army Greg Daugherty | History Correspondent June 24, 2026 An early 20th-century depiction of the Battle of Little Bighorn…
The SKA-low antennas look like trees, with horizontal branches of different lengths, called dipoles. Each one absorbs radio waves; the bigger the dipole, the longer the wavelength it absorbs.SKA-Low Astronomers have been underestimating the brightness of the low-frequency radio sky. Precision measurements by Australian and Italian radio astronomers reveal that the faint-sky background at low…
An art dealer stumbled across “Let the Little Children Come Unto Me” at a German auction house in 2014. Experts have now carefully removed layers of overpaint from the forgotten masterpiece Ellen Wexler | Writer and Special Projects Editor June 30, 2026 3:10 p.m. Detail of Rembrandt’s Let the Little Children Come Unto Me Sotheby’s He’s…
‘Big dumb objects’ (BDOs) appear to great effect in science fiction. They come in all manner of sizes and shapes and they fulfill a wide range of functions. An early favorite of mine was Cordwainer Smith’s “Golden the Ships Were Oh! Oh! Oh!,” which I snagged on a long ago trip to a Chicago newsstand,…
Imagine we had somehow filmed the whole history of the universe and you could play the movie in reverse. It would start off much as things stand today: a vast and elegant web of galaxies and nebulae. But as the tape rewinds, everything begins to shrink until it reaches an evanescent pinprick of energy –…
Less than a week after its last test, SpaceX’s latest Starship spacecraft went back to the stand for engine checkouts ahead of a coming test flight. The upper stage for SpaceX’s giant Starship rocket, referred to simply as “Ship” — Ship 40, in this case — underwent a static-fire test of all six of its…