An Australian startup wants to recycle a geostationary satellite to get an up-close look at the "doomsday" asteroid Apophis.

Nearly 4.5 million years ago, two enormous, blazing stars swung close to the solar system. They did not touch the sun, but ...

Commercial spaceflight is booming and looks to go into full-on kaboom stage in the near future, sparking the need for an ever ...

Though it generated beautiful auroras around the world, the Gannon solar storm in 2024 was also a little dangerous.

Illustration: Xihe sun exploration satellite "With the help of the Xihe satellite, we can obtain full-disk solar spectra at more than 300 wavelength points simultaneously every 46 ...