space exploration

It will take eight years before Lucy is expected to reach the final asteroid formation on her journey.

In May, NASA returned to human spaceflight from the US for the first time in nearly a decade, with the liftoff of Bob Behnken and Doug Hurley from Kennedy Space Center.

Astronomers compare losing the observatory in Puerto Rico to losing a big brother. It was once the world's largest single-dish radiotelescope.

Scientists have used a NASA probe way out in space, beyond Pluto, to measure visible light that's not connected to any known source such as stars or galaxies.

It's a question by a science fiction author with The New York Times.

Scientists say they've found what appears to be a briny lake near the south pole on Mars. It's possible that some kind of microbial life once lived in the lake.

Calling all planets that orbit around bright, nearby stars: NASA's new Tess spacecraft is looking to do a head count.The Transiting Exoplanet Survey…