Proxima Centauri b is the closest known exoplanet to our solar system that is thought to be within the habitable zone of its star.

For only the third time in recorded history, an interstellar object has crossed into our solar system, creating quite the ...

The solar system has an uninvited guest that is currently shooting toward us on a one-way trip through our cosmic ...

The question of how life began has captivated humanity for millennia. Now, a team of scientists are preparing to use NASA's ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

Some exoplanets in their stars' habitable zones may be distinctly uninhabitable due to solar flaring. Red dwarfs are known for powerful flaring, and since they're dim and their habitable zones are ...

A rare interstellar comet is flying through our solar system. Here's how—and when—you might be able to see Comet ATLAS from ...

The NASA-funded ATLAS (Asteroid Terrestrial-impact Last Alert System) survey telescope in Rio Hurtado, Chile, first reported observations to the Minor Planet Center of comet 3I/ATLAS on July 1, 2025.

"Eight minutes later, the orbiter started receiving data from the descent probe, which slammed into the top of the Jovian atmosphere at a comet-like speed of 170,000 kilometers per hour," NASA ...

Astronomers in Hawaiʻi detected the solar system's third interstellar object, C/2025 N1 or 3I/ATLAS, which poses no threat to ...

Astronomers have confirmed the third interstellar object on record is dashing through our solar system. Dubbed 3I/ATLAS, it ...

Other citizen science groups contributed as well, including the TESS Follow-up Observing Program Sub Group 1 (TFOP SG1) and ...