Astronomers measure the speed at which the solar system is hurtling through space by mapping surrounding galaxies and ...

When a meteor streaks across the sky, it's not just beautiful. It's nature's way of delivering a time capsule to Earth.

The picture-perfect launch of twin Escapade orbiters bound for Mars presages a fantastical new age in exploring the planets, ...

Still, science being science, we needed proof—and we got it in 1992, when two astronomers found two planets orbiting a pulsar ...

It's possibly as big as Manhattan, likely older than our own solar system, and it's traveling through space at speeds of up ...

NASA unveiled close-up pictures on Wednesday of the interstellar comet that's making a quick one-and-done tour of the solar ...

Scientists say that 3I/ATLAS has likely been traveling through interstellar space for a long time. Based on how fast it was ...

With the government reopened, the space agency at last released pictures captured by a fleet of government spacecraft of an ...

NASA has a photo dump of the interstellar comet 3I/ATLAS. It made news in July when it was confirmed to have originated ...

Instead of the sharp, groundbreaking visuals many expected, the recently unveiled images were surprisingly blurry, a result ...

NASA released a trove of never-before-seen images of the interstellar comet 3I/ATLAS, unveiling new characteristics of the ...

Scientists traced the Moon's parent planet Theia to the inner Solar System, solving a 4.5-billion-year mystery.