space

U.N. Kills Any Plans to Use Mercury as a Rocket Propellant

[ad_1] A recent United Nations provision has banned the use of mercury in spacecraft propellant. Although no private company has…

3 years ago

The End of Astronauts—and the Rise of Robots

[ad_1] How much do we need humans in space?  How much do we want them there?  Astronauts embody the triumph…

3 years ago

NASA Will Roll Back Its SLS Rocket for Repairs

[ad_1] NASA engineers hope to have their massive moon-bound Space Launch System ready for liftoff in a couple of months,…

3 years ago

Analysts Warn Anti-Satellite Weapons Have Evolved Beyond Missiles

[ad_1] A pair of new reports point to a proliferating array of technologies that could be used to attack spacecraft.…

3 years ago

A New Tool for Finding Dark Matter Digs Up Nothing

[ad_1] Even the strongest gravitational waves that pass through the planet, created by the distant collisions of black holes, only…

3 years ago

Peptides on Stardust May Have Provided a Shortcut to Life

[ad_1] Billions of years ago, some unknown location on the sterile, primordial Earth became a cauldron of complex organic molecules…

3 years ago