New study proves Moon was created in massive planetary collision

(Phys.org)—It's a big claim, but Washington University in St. Louis planetary scientist Frédéric Moynier says his group has discovered evidence that the Moon was born in a flaming blaze of glory when a body the size of ...

Harpooning space debris

(Phys.org) —Faced with the challenge of capturing tumbling satellites to clear key orbits, ESA is considering turning to an ancient terrestrial technology: the harpoon.

Crash-testing lithium-ion batteries

Lithium-ion batteries are lightweight, fully rechargeable, and can pack a lot of energy into a small volume—making them attractive as power sources for hybrid and electric vehicles.

Russia in secret plan to save Earth from asteroid: official

Russian scientists will soon meet in secret to work on a plan for saving Earth from a possible catastrophic collision with a giant asteroid in 26 years, the head of Russia's space agency said Wednesday.

Space junk raises risks for Hubble repair mission

(AP) -- Space shuttle Atlantis is now in a rough orbital neighborhood - a place littered with thousands of pieces of space junk zipping around the Earth at nearly 20,000 mph. There are more pieces of shattered satellites ...

Capturing derelict satellites adrift in orbit

Standard space dockings are difficult enough, but a future ESA mission plans to capture derelict satellites adrift in orbit. Part of an effort to control space debris, the shopping list of new technologies this ambitious ...