The asteroids are as large as around 75 and 91 feet in diameter, according to the Center for Near Earth Object Studies.

The first flight mission for planetary defense, NASA's Double Asteroid Redirection Test (DART) seeks to validate a method to ...

I/Atlas is brightening, turning blue and emitting a radio signal, but scientists say its path misses Earth by a wide margin and it poses no threat to humans.

NASA’s Psyche probe, on a mission to explore the metal-rich asteroid 16 Psyche, recently captured remarkable images of Earth ...

Mars is a cold, dry, desert-like planet. But billions of years ago, scientific evidence suggests that it had a thick ...

Scientists suspect iron meteorites might be able to resist erosion on Mars, which may explain why some appear perched on flat ...

NASA’s Mars rover collected rock samples that could reveal if the planet once hosted life. Here’s what scientists plan to do ...

For the first time in more than five years, humanity has launched a mission to Mars — but it won't be arriving at the Red ...

Three Chinese astronauts have returned to Earth after they were briefly stranded at the nation's space station when space ...

The Psyche probe captures images of Earth and the Moon from over 180 million miles away as it travels to intercept an ...