Spacewalking repair halts station leak–for now

Astronauts made a rare, hastily planned spacewalk to fix a serious ammonia leak at the International Space Station, and the U.S. space agency said it appeared the repair was a success.

Astronauts made a rare, hastily planned spacewalk to fix a serious ammonia leak at the International Space Station, and the U.S. space agency said it appeared the repair was a success.

South Korea on Wednesday said it successfully launched a satellite into space from its own soil for the first time, a point of national pride that came weeks after archrival North Korea accomplished a similar feat to the surprise of the world.

The asteroid called 99942 Apophis, long billed as a “doomsday asteroid,” buzzed the Earth at past 8 a.m. on Thursday morning, appearing like a tiny flashing dot in the sky but obscured by gray clouds from the vantage point of Filipinos.

Apophis, which means “giant snake,” is the Egyptian sun god Ra’s nemesis.

A heavenly body packing more energy than 25,000 Hiroshima bombs and which can obliterate Luzon on impact will streak across the skies near Earth on Thursday under the watchful gaze of astronomers the world over.

Neil Armstrong inspired millions with his moonwalk. Can a feisty robotic rover exploring Mars do the same for another generation?
A startup evidently devoted to mining asteroids for metals is to make its public debut Tuesday in the US northwest city of Seattle, seeking to redefine the term “natural resources.”
NASA is seeking friends for a new game the US space agency launched on Facebook.

A giant airplane that can in mid-flight launch a rocket carrying cargo and humans into orbit is the future of space travel, billionaire philanthropist and Microsoft co-founder Paul Allen said on Tuesday.

The planet closest to the Sun had plenty of its own heat to release billions of years ago and erupted in vast river-like volcanoes that oozed around its northern pole, said a study out Thursday.
WASHINGTON—NASA on Thursday refined the crash course of a six-ton defunct satellite, saying it is likely to miss North America, though its exact landing spot remains unknown. The careening space junk, which NASA insists poses little risk of hurting someone, is orbiting Earth every hour and a half, and is expected to fall sometime on [...]
Neil Armstrong, the first man to walk on the moon, told lawmakers Thursday that the end of the space shuttle era has left the American human spaceflight program in an “embarrassing” state.
The US space agency has narrowed down its prediction of when a defunct six-ton satellite will crash back to Earth, saying on Wednesday that it is expected to land on September 23, US time.