WASHINGTON — SpaceX completed a largely successful test flight of its Starship vehicle Aug. 26, putting the vehicle’s development program back on track after a series of failures earlier this
WASHINGTON — SpaceX completed a largely successful test flight of its Starship vehicle Aug. 26, putting the vehicle’s development program back on track after a series of failures earlier this
Near the center of this image from NASA’s Chandra X-ray Observatory lies the pulsar B1509-58, a rapidly spinning neutron star that is only about 12 miles in diameter. This tiny
Another U.S. military mini shuttle blasted off Thursday night to conduct classified experiments in space.
The era of single-vector threats is behind us. That was Aerial Defense 1.0, when defenses were designed for ballistic missiles tracked by radar and defeated by linear kill webs. Threats
Scientists have developed a better model to understand “steam worlds,” which are planets smaller than Neptune and larger than Earth that are too hot to have liquid water at their
New research suggests that dark matter could gather over vast periods of time at the heart of Jupiter-sized planets, creating black holes that eat these worlds from within. This striking
Expected Doppler semiamplitude imparted on a solar-mass host star by a super-Earth with orbital period P = 2 days and Rp = 1.6 R⊕ as a function of core-mass fraction
Get ready to explore the Red Planet — our dusty, windswept neighbor that’s captured human imagination for centuries. Mars is the fourth planet from the sun and a top contender
The slender crescent moon will be positioned close to the bright star Spica at sunset on Aug. 27, but you’ll have to be quick to catch a glimpse of the
The Starship megarocket passed its latest launch trial with flying colors, according to SpaceX. Starship, the biggest and most powerful rocket ever built, launched from SpaceX’s Starbase site in South