The sunspot AR3664, which is about 15 times wider than Earth, has finally rotated out of our planet’s view — but not before firing off two more big solar storms. The most recent solar flares from AR3664 were in the X class, the strongest category — an X3.4 monster that peaked today (May 15) at...

Astronomers have discovered a new planetary oddball beyond the solar system that is as fluffy and light as cotton candy. The extrasolar planet or “exoplanet” named WASP-193 b is around 1.5 times the width of Jupiter but has just over a tenth of the solar system gas giant’s mass...

Does a levitating robot train on the moon sound far-fetched? NASA doesn’t seem to think so, as the agency has just greenlit further funding for a study looking into the concept. The project, called “Flexible Levitation on a Track” (FLOAT), has been moved to phase two of NASA’s...

Ever have one of those nightmares where you forget your pencil, or some key item, before a big test? Astronauts flying to the moon face that situation in spades: Once everything is on the spacecraft and they’re on the way, there’s no way to add to or change anything on the Orion...

Blue Origin’s human-spaceflight drought will end this weekend, if all goes according to plan. Jeff Bezos‘ spaceflight company announced today (May 14) that it’s targeting Sunday (May 19) for its latest suborbital space tourism effort. The mission, known as NS-25, will lift off from...

A small asteroid flew very close to Earth Tuesday morning (May 14), just two days after it was discovered by astronomers. The asteroid 2024 JN16 is less than 15 feet (4 meters) wide — about the size of a car. It did not hit Earth but came within a mere 11,500 miles (18,500 kilometers) of …...