Japan spacecraft carrying asteroid soil samples nears home

A Japanese spacecraft is nearing Earth after a yearlong journey home from a distant asteroid with soil samples and data that could provide clues to the origins of the solar system, a space agency official said Friday.

Pulsating aurora: Killer electrons in strumming sky lights

Computer simulations explain how electrons with wide-ranging energies rain into Earth's upper and middle atmosphere during a phenomenon known as the pulsating aurora. The findings, published in the journal Geophysical Research ...

China's 'space dream': A Long March to the Moon

China's launch this week of an unmanned spacecraft aimed at bringing back lunar rocks—the first attempt by any nation to retrieve samples from the Moon in four decades—underlines just how far the country has come in achieving ...