A rare visitor from another star system has been spotted: the interstellar comet 3I/ATLAS! It was detected July 1 by the NASA-funded Asteroid Terrestrial-impact Last Alert System, or ATLAS. Most known ...

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

I/ATLAS might be over 7 billion years old, a new study reports, which would make it the oldest comet known. But experts caution we need more data.

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

Scientists Believe an Asteroid Might Crash Into the Moon in 2032, a Once-in-5,000-Year Event A recently discovered asteroid ...

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

Here's everything to know about the James Webb Space Telescope, and what it captured on its three-year anniversary observing the cosmos. To mark Webb's third year of operations, NASA shared an image ...

The object is big – possibly as wide 12 miles, larger than the asteroid that wiped out the dinosaurs – and is speeding ...

Comet 3I/Atlas may be the oldest spotted so far and should be visible through amateur telescopes in just a few weeks' time.

On that note, 16 Psyche, an asteroid orbiting between Mars and Jupiter, is estimated to contain between $10 quintillion and $700 quintillion worth of gold and other precious metals, meaning that the ...

The icy traveler, called 3I/ATLAS or Comet ATLAS, was discovered on July 1 by the NASA -funded ATLAS survey telescope in Río Hurtado, Chile. This enormous space snowball came from the direction of the ...

The ATLAS (short for Asteroid Terrestrial-impact Last Alert System) is a NASA-funded program developed by the University of ...