Space Exploration

The space telescope is set to reveal thousands of new exoplanets and scour the universe for signs of dark matter and energy

Our sun is on a long, strange trip to its eventual demise. Here are the key stops along the way

A high-ranking official announced yesterday that the U.S. military has deployed weapons into orbit to counter threats from Russia and China

NASA’s formidable gamma-ray burst hunter is doomed to soon reenter Earth’s atmosphere, leaving a glaring gap in our view of the high-energy sky

A new executive order calls for more than 1,000 U.S. rocket launches per year by the end of the decade. Rethinking the nation’s spaceports will be key

The Nancy Grace Roman Telescope is headed toward a Lagrange point, a critical position in outer space where gravitational forces behave in specific ways

After a flawless launch, the Nancy Grace Roman Space Telescope is on a mission to solve some of the universe’s biggest mysteries

NASA’s Nancy Grace Roman Space Telescope is on a mission to probe dark energy, hunt for distant worlds and transform our view of the universe

The Roman Space Telescope will spend more than a quarter of its time staring at the Milky Way’s bulge, a star-packed central region of our galaxy that may swarm with small, rocky exoplanets

NASA’s Roman Space Telescope will open a whole new window on the cosmos. Here are 10 things it’s likely to show us

Astronomers are lining up to leverage NASA’s soon-to-launch Nancy Grace Roman Space Telescope, which boasts capabilities unlike any previous off-world observatory

The Red Planet’s global geography of low-lying northern plains and rugged southern highlands seems to have surprisingly deep roots, with profound implications for Mars’s ancient habitability