Aug 28, 2014

NASA says new heavy-lift rocket debut not likely until 2018

NASA’s new heavy-lift rocket, designed to fly astronauts to the moon, asteroids and eventually Mars, likely will not have its debut test flight until November 2018, nearly a year later than previous estimates, agency officials said on Wednesday. NASA is 70 percent confident of ...

Jul 25, 2014

Are we alone? Alien pollution might reveal the answer

Earthlings often wonder if life exists on other planets, and researchers said Wednesday that hunting for traces of pollution from distant worlds could provide the answer. Under certain conditions, astronomers in the next decade might be able to detect the presence of an industrialized ...

Jul 4, 2014

Scientists admit error in spotting two planets

U.S. scientists said Thursday that two distant Earth-like planets, which some believed might be able to harbor life, do not actually exist and that astronomers who described them were confused by a star’s sunspots. The purported planets, Gliese d and g, about 22 light-years ...

NASA hoping to catch tiny asteroid

Jun 22, 2014

NASA hoping to catch tiny asteroid

NASA is zeroing in on the asteroids it wants to capture, haul near the moon and have astronauts visit. Officials on Thursday described a prime candidate: a tiny asteroid that whizzed about 7,600 miles (12,250 kilometers) above Earth in 2011. At 20 feet (6 ...

Evidence found of planet that hit Earth, made moon

Jun 9, 2014

Evidence found of planet that hit Earth, made moon

Lunar rocks brought back by Apollo astronauts more than 40 years ago contain evidence of the Mars-size planet that scientists believe crashed into Earth and created the moon, new research shows. German scientists using a new technique detected a slight chemical difference between Earth ...