NBC News' Gadi Schwartz reports on "3I/ATLAS," mysterious outer space object that is thought to be billions of years old, making its closest approach to Earth, giving scientists an opportunity to ...

NASA has discovered CWISE J1249, a mysterious red celestial object moving at over one million miles per hour through the Milky Way. This object, with its extremely low mass and unique infrared ...

Astronomers around the world are observing 3I/ATLAS, a rare interstellar object that has suddenly sped up and changed colour as it travels through the solar system. Discovered in July 2025 by a ...

Strange cosmic objects spotted by NASA's James Webb Space Telescope (JWST) are presently puzzling astronomers. The odd ...

This cloud is a window into the dark Universe,” study co-author and Space Telescope Science Institute (STCScl) team member ...

Astronomers have identified a strange new object in deep space, a vast cloud that looks like a galaxy stripped of its stars.

Scientists recently discovered a mysterious object in outer space that, for a time, was sending out regular bursts of energy in a way that researchers hadn't previously observed. According to an ...

The gravitational lens JVAS B1938+666 consists of massive bodies ranging from 6.5 billion to 11 billion light-years away, ...

A team using @NASAHubble has made the first confirmed detection of a new type of astronomical object: a starless, gas-rich, ...

The mysterious interstellar object that's been flying through the solar system may be leaving behind the building blocks of life on our neighboring worlds. Scans of 3I/ATLAS have revealed two key ...

Advertisement Mysterious space object 3i/ATLAS to reach its closest point to Earth Sky video Updated Thu, December 18, 2025 at 9:36 a.m. PST ...

Gamma rays are invisible and ultra-powerful forms of light. They are the most energetic source of radiation known in the ...