In the latest research, telescope observations of 3I/ATLAS examine its chemical structure and suggest that it took shape in a ...

Based on the composition of gases spewed by the icy space rock, researchers estimate that our guest might be up to 12 billion ...

One year ago, on July 1, 2025, astronomers discovered a fascinating new object moving through the solar system. Detected by the Asteroid Terrestrial-impact Last Alert System (ATLAS), the object was ...

Based on evidence collected by the James Webb Space Telescope, researchers have found that interstellar comet 3I/ATLAS could ...

Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.

While life on Mars (and Venus) has long been an obsession for those wondering if we're alone, there are other places in our ...

The outer solar system once seemed like a quiet backwater. But a glut of tiny, strange moons with unruly orbits are coming into view, revealing hints of a surprising past – and the origin of Saturn's ...

Astronomers studying the intriguing comet 3I/ATLAS on Monday said that this visitor is incredibly ancient, potentially nearly ...

It may not feel like it, but everything in the universe is in constant motion. Our Sun, with all its planets, orbits the center of the Milky Way, flying through the cosmos at around 450,000 miles per ...

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PARIS, France — An interstellar comet that blazed past the Sun last year could be nearly three times older than our Solar ...

ESA's Gaia mission has determined he orbits of 154,741 asteroids in our solar system. Credit: ESA/Gaia/DPAC ...