On July 1, 2025, the Asteroid Terrestrial-impact Last Alert System (ATLAS) survey telescope, located in northern Chile, ...

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

Scientists now say an interstellar comet discovered earlier this month could be one of the oldest that astronomers have ever encountered.

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

It took over nine years for New Horizons to reach Pluto after blasting off atop an Atlas 5 rocket on Jan. 19, 2006. After ...

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

The Interstellar Boundary Explorer (IBEX) is a small satellite already orbiting Earth. IBEX has special instruments gathering ...

Kareta says that come October, when the comet gets closer to Earth, "under dark skies ... with a big telescope and some ...

NASA has discovered the interstellar comet 3I/Atlas, located 4.5 au from the Sun, offering a rare glimpse into celestial ...

When the news started to spread on July 1, 2025, about a new object that was spotted from outside our solar system, only the ...

Captured just days after its discovery, the images offer the clearest view yet of this rare visitor from beyond our solar system.

Astronomers have spotted a new interstellar object — the third of its kind ever seen — shooting towards us through the solar ...