Before the ribbon-cutting for the solar system walk on the Columbia Greenway Rail Trail on Nov. 29, created by WHS Astronomy ...

New images taken by the Hubble Space Telescope and a Jupiter-bound mission showcase interstellar comet 3I/ATLAS ahead of its ...

Later in December, the 3I/ATLAS interstellar comet will get as close to Earth as it ever will. Here's what to know.

NASA's Hubble Space Telescope caught a glimpse of 3I/ATLAS – again. Here's a look at the latest photo of the intriguing ...

Scientists find that two hot stars passed near our solar system 4.4 million years ago, altering nearby interstellar clouds.

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

New images from ESA's Juice probe and Hubble reveal a rare double tail on interstellar comet 3I/ATLAS as it approaches Earth ...

Conventionally, the moon is thought to have formed during one big impact, but a three-impact model might make more sense ...

Nearly 4.5 million years ago, two large, hot stars brushed tantalizingly close to Earth's sun. They left behind a trace in ...

Imagine never being able to dream of landing on Mars or traveling to Saturn. Not because it's impossible to get there, but ...

Several sugars have been found on a sample of the asteroid Bennu, which may provide scientists with clues about our early ...

"We reported hints of methane, but the question is, 'is the methane attributable to molecules in the atmosphere of the planet ...