Earth, like most planets out in the cosmos, famously spins on an axis, but what if it didn’t? What if one day, instead of twirling at 1,040 Miles per hour it just suddenly stopped, coming to a ...

While these flares were huge, there are reasons to suspect the sun is capable of unleashing even bigger ones. Some stars undergo what are called superflares, which are ridiculously powerful ...

Because Earth moves in an elliptical orbit around the sun, being further away means it travels slower along its orbit. This increases the time it takes to get from the solstice, the beginning of ...

Also, data from the ESA mission's first full "pole-to-pole" orbit of the sun, which began in February 2025, will not arrive at Earth until October 2025. "This is just the first step of Solar ...

The NEO Surveyor fulfills a 2005 act of Congress ordering NASA to catalog 90% of near-Earth objects larger than 459 feet, which is roughly the size at which an asteroid could take out a city, or ...

A swarm of large asteroids likely lurking around Venus could one day pose an "invisible threat" to Earth if left unchecked, astronomers have warned.

"So, eventually, all life on Earth will be destroyed by the sun. The sun is gradually expanding, and so we do at some point need to be a multiplanet civilization, because Earth will be incinerated." ...