In any other year, the supermassive black hole mentioned above would probably scoop the award for most striking outburst, but not in 2025. This year, that accolade goes to a flare designated ...

An Indian rocket is scheduled to launch the record-breaking BlueBird 6 smartphone satellite tonight (Dec. 23), and you can ...

Beyond better testing, we need better protection. Physical shields seem like the obvious first defense. Hydrogen-rich materials such as polyethylene and water-absorbing hydrogels can slow charged ...

Fast solar wind and a possible glancing blow from a coronal mass ejection could spark auroras over Christmas. Stargazers may ...

I/ATLAS may have moved away from Earth as it makes its way out of the solar system, but this interstellar intruder continues ...

One estimate by an engineer in SCU forecasts that given 300 "actual" UAP sightings per year — and assuming random distribution of sightings — that with 930 automated camera systems distributed across ...

Comet 3I/ATLAS was discovered on July 1, 2025, by the NASA-funded ATLAS telescope in Rio Hurtado, Chile and was quickly ...

NASA's Artemis program represents the most ambitious human spaceflight effort since Apollo, aiming not only to return ...

Use telescopes and binoculars to observe a crescent moon, Jupiter as a 'Christmas star', star clusters and more — now is a great time to go night sky viewing.

A 14%-illuminated waxing crescent moon will hang low in the southwest tonight, soon after sunset, still in Capricorn, with ...

It was the first-ever orbital launch attempt by a South Korean company. And, as often happens on debut liftoffs, something ...

Nebulae are some of the most breathtaking sights in the universe — vast clouds of gas and dust where stars are born, or where they meet their spectacular ends. From the delicate wisps of the Veil ...