Comet 3I/ATLAS was first detected on July 1, 2025 by the Asteroid Terrestrial-Impact Last Alert System (ATLAS). As it ...

Interstellar comet 3I/ATLAS on Wednesday reached its closest point to the Sun, a point known as perihelion. Although this ...

Interstellar invader Comet 3I/ATLAS is still full of surprises — an unexpected brightening has scientists baffled ...

I/ATLAS is the fastest comet ever recorded and its interstellar! NASA's Goddard Space Flight Center explains. Credit: NASA's ...

The comet could be older than our solar system. The comet is also distinct because nickel vapor was detected in the gas ...

Comet 3I/ATLAS, which made a close approach to the sun, has prompted lots of public interest. Kim Kardashian asked NASA's ...

NASA confirms 3I/ATLAS visible tonight — learn when and where to spot the rare interstellar comet lighting up Earth's skies ...

The comet is on what’s known as a hyperbolic trajectory, which means that it doesn’t follow an orbital path around the sun.

Two weeks ago, interstellar comet 3I/ATLAS was at conjunction, on the opposite side of the Sun with respect to Earth. Last ...

I/ATLAS is the third interstellar object ever discovered in our solar system. Telescope observations suggest it is a roughly 7-mile-wide (11 kilometers) comet zooming at more than 130,000 mph (210,000 ...

When Comet 3I/ATLAS roared into the solar system this summer, it launched a scientific scramble to study what astronomers ...

U.S. officials continue monitoring interstellar comet 3I/ATLAS despite the government shutdown, with NASA coordinating updates and congressional discussions on new data and upcoming observations.