Satellite News

Four private astronauts are back on Earth after a five-day mission that set firsts and broke records in an effort to advance human spaceflight.

The full moon of September will put on a dramatic show tonight, the exact timing of which will depend on your location.

Space mission designers plan their routes in order to deliver their payloads to the Moon or Mars, or orbit efficiently within a set of cost, timeline and capacity constraints. But when they need to coordinate multiple space vehicles working together, route planning can get complicated.

Earth will grab itself another moon this month, but only briefly. The “mini-moon” in the form of asteroid 2024 PT5 will stick around for just two months.

A distant star has a dead star companion lurking in its vicinity that could be a monster-massive white dwarf, raising the question: how has it avoided being devoured by this cosmic zombie?

The almost fully illuminated Harvest Moon was no match for the dazzling aurora display.

Newly released images of Mars reveal a “smiley” salt deposit on the Red Planet’s surface. A related study suggests that similar deposits, which were left behind from ancient lakes, may be a good place to look for signs of former life on Mars.

On Sept. 17, the full moon will put on a dazzling display. While appearing slightly larger-than-average as a “supermoon” it will also undergo a partial lunar eclipse.