Astronomy, Space | featured news

Saturn's largest moon, Titan possesses an ammonia and methane atmosphere that obscures its frozen surface from view. Since a 1980 Voyager I flyby, ...

An international team of researchers on Thursday launched a grueling simulation of a flight to Mars that will keep them locked in a cascade of ...

Space shuttle Atlantis zoomed toward its final touchdown Wednesday to cap a 25-year flying career, bringing back six astronauts who boosted ...

"We'll start by sending astronauts to an asteroid for the first time in history," President Obama said in an April speech at NASA's Kennedy Space ...

Scientists don't know quite why, but one of Jupiter's two main cloud belts has disappeared -- again.

Japan's space agency is launching a mission to Venus to study its weather and hunt for signs of lightning and volcanoes.

Space shuttle Atlantis thundered off its launchpad at Kennedy Space Center into cloudless skies Friday afternoon and headed to the International Space Station on the 32nd and final planned mission of its 25-year career.

NASA is considering a plan to get around limited budgets set in Washington by stretching out missions to bring back samples from Mars, a researcher said on Wednesday.

Scientists have found lots of life-essential water – frozen as ice – in an unexpected place in our solar system: an asteroid between Mars and Jupiter.

President Barack Obama predicted Thursday his new space exploration plans would lead American astronauts to Mars and back in his lifetime, a bold forecast relying on rockets and propulsion still to be imagined and built.