CAPE CANAVERAL, Fla. (AP) — An old NASA science satellite plunged uncontrolled from orbit and reentered over the Pacific on ...

Mars didn’t always look like the barren world we see today. Over billions of years, the Sun’s solar wind stripped away much of its atmosphere, helping transform it from a warmer, wetter planet into a ...

NASA’s Curiosity rover is investigating strange spiderweb-like ridges on Mars that may reveal a hidden chapter of the planet’s watery history. These “boxwork” formations likely formed when groundwater ...

After postponing launch opportunities in February and March, the agency determined that four astronauts could proceed toward the first crewed lunar journey in more than 50 years.

NASA's DART mission didn’t just change the orbit of Dimorphos, the asteroid it hit. It changed the orbit of the larger ...

A spacecraft could plunge into Earth’s atmosphere as soon as Tuesday. While most of the probe will likely burn up during reentry, a few components are expected to survive.

The Van Allen probe, which studied how the Earth is protected from harmful space radiation, could fall to Earth tonight. Here’s what to know ...

New data about the DART spacecraft’s effects adds evidence that Earth could be defended from future deadly asteroids by diverting their orbits.

Earth is struck by reentering human-made objects far more often than most people realize. According to debris specialists, ...

New images from NASA's DART asteroid-smashing mission show space rocks exchanging material in a slow process that reshapes their surfaces over millions of years.

She’s worried about the a-rock-alypse. A planetary defense expert is warning that humanity is defenseless against up to 15,000 undetected near-Earth asteroids that have the potential to take out a ...