Astronomy

It keeps breaking astronomer’s models of how stars are supposed to act. Something’s up with the North Star. People have watched the North Star for centuries. The bright star, also known as Polaris, is almost directly above Earth‘s North Pole and serves as a landmark in the sky for travelers without a compass. It’s also Earth’s closest cepheid, a type […]

AN ASTEROID capable of causing global destruction if it hits will approach our planet tomorrow afternoon, the US space agency NASA has found. NASA’s automated asteroid tracking systems have their eyes on a potentially cataclysmic rock dubbed 163373 (2002 PZ39), which is estimated to measure up to about 3,280ft (one kilometre) across. The asteroid is barreling through space at speeds of […]

Liftoff is set for 10:05 a.m. EST (1505 GMT). The private spaceflight company SpaceX will launch 60 new Starlink internet satellites to join its growing megaconstellation in orbit today (Feb .17) and you can watch the action live online.  A SpaceX Falcon 9 rocket will launch the fifth batch of Starlink satellites into orbit from the company’s pad at Space Launch […]

String theory is a purported theory of everything that physicists hope will one day explain … everything.  All the forces, all the particles, all the constants, all the things under a single theoretical roof, where everything that we see is the result of tiny, vibrating strings. Theorists have been working on the idea since the 1960s, […]

Jupiter appears to have more water than anyone expected. Newly released data from NASA’s Juno probe shows that water may make up about 0.25% of the molecules in the atmosphere over Jupiter’s equator. While that doesn’t sound like much, the calculation is based on a prevalence of water’s components, hydrogen and oxygen, three times more than at the […]

Melinda Snodgrass got the idea for her science fiction novel The High Ground when she started thinking about how awful human beings can be. “I had a sudden vision of this nine-foot-tall alien ant-like creature with mandibles and claws—just a hideous, horrifying creature,” Snodgrass says in Episode 370 of the Geek’s Guide to the Galaxy podcast. “And it was […]

One of the biggest mysteries out there in the Universe is inching closer to answers. An astonishing eight new repeating radio signals known as fast radio bursts (FRBs) have been detected flaring from deep space. At the start of 2019, just one of these mysterious signals, FRB 121102, was known to flash repeatedly. In January, scientists reported a second repeating […]

WASP-76 b may be the most extreme exoplanet we know of. There’s a new contender for the “most exotic exoplanet” title. The crown may have rested for a while now on the head of HD 189733 b, a cobalt-blue alien world where molten-glass rain whips sideways through the air at up to 5,400 mph (8,790 km/h). But […]

All five remaining instruments on NASA’s venerable Voyager 2 spacecraft are back to gathering science data after power overuse in late January interrupted the probe’s operations. NASA made the announcement yesterday (March 3), over a month after the incident occurred. Troubleshooting for the spacecraft is a slow process because of its distance from Earth; it takes 17 hours for […]

You can catch the sky show, too, if you’re willing to rise before the sun. Even the bright lights of New York City couldn’t swamp this celestial spectacle. Alexander Krivenyshev of WorldTimeZone.com photographed a gorgeous predawn sky show Thursday morning (Feb. 20), capturing the crescent moon, Saturn, Jupiter, Mars and the red star Antares arcing over […]


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