NASA’s Asteroid Watch Dashboard has issued a new list of five asteroids on approach, with close passes to Earth expected ...

As SpaceX readies Starship’s next test, questions over refueling and mass limits threaten its lunar and Martian goals.

On Tuesday afternoon, just a few hours before a launch attempt of the ninth flight test of SpaceX's Starship vehicle, Elon Musk spoke with Ars Technica Senior Space Editor Eric Berger to talk about ...

Astronomers have discovered a mysterious dwarf planet, 2017 OF201, far beyond Pluto. This discovery challenges existing ...

If realized, Washington’s space-based missile shield could reshape deterrence, upend alliances, and redefine security in a new era of orbital warfare.

In the cold, dark outskirts of planetary systems far beyond the reach of the known planets, mysterious gas giants and ...

After a pair of Block 2 Ship failures and an extended downtime between flights, SpaceX is set to fly Starship’s ninth flight test and attempt to fly a Ship past second stage engine cutoff. Booster 14 ...

SpaceX has launched a ninth uncrewed test flight of Starship, the most powerful rocket system ever constructed. The mission comes after two prior tests ended in explosive failure. Follow for live ...

There China has started an ambitious project to build a Space supercomputer: a network of 2800 satellites Equipped with ...