This spacecraft was the farthest human-made object from Earth, and it will reach the Oort Cloud, a hypothetical region in ...

NASA's Voyager 1, launched in 1977, has detected an unexpected hot and energetic \"firewall\" just beyond the heliopause, ...

Is it an alien spaceship or an ancient comet? That’s the question puzzling UFO enthusiasts, NASA, and the European Space ...

The first flight mission for planetary defense, NASA's Double Asteroid Redirection Test (DART) seeks to validate a method to protect Earth from the threat of an asteroid impact. By smashing a ...

NASA’s Hubble Space Telescope has snapped images of a recently discovered interstellar visitor hurtling through our solar ...

Discovered last month by a telescope in Chile, the comet known as 3I-Atlas is only the third known interstellar object to pass our way.

The Hubble Space Telescope has captured the best picture yet of a high-speed comet visiting our solar system from another ...

NASA's Hubble Space Telescope got an up-close look at a headline-grabbing object known as 3I/ATLAS that has wandered into Earth's cosmic neighborhood.

Earlier this year, astronomers spotted a mysterious interstellar object, dubbed 3I/ATLAS, hurtling through the solar system ...

The Hubble Space Telescope has captured a stunning image of a high-speed comet traveling through our solar system. Scientists ...

NASA said the system is thought to be moving at least 1.2 million miler per hour, nearly twice as fast as our solar system.