Space Exploration

To get to the outer solar system, the Juice spacecraft needs an assist from Earth’s gravity—and it’s going to be taking pictures along the way

Fermi Explorer, a proposed low-cost private mission to Alpha Centauri, seeks to address a question that’s already been answered

The crater, named after geologist and lunar surface expert Tom McGetchin, spans more than two football fields wide

2025 was a brutal year of budget cuts and workforce attrition at NASA’s Goddard Space Flight Center, the home base for the Nancy Grace Roman Space Telescope. Experts worry Goddard—and NASA’s space science—may never recover

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