Interstellar comet 3I/ATLAS is turning green and getting brighter as it nears Earth. Scientists track the ancient space rock, watching for a dramatic, last-minute outburst.

Comet 3I/ATLAS is sweeping back into view for early risers, carrying fresh coordinates, new imagery and a rare chance to watch an interstellar visitor glide past our planet. As it nears its closest ...

I/ATLAS comet is the 3rd-ever object discovered that originated from outside our solar system. It's not a threat, approaches ...

Scientists have discovered the strongest evidence yet of a rocky planet with an atmosphere outside the solar system, challenging previous notions that small planets that orbit closely to their stars ...

The interstellar comet 3I/ATLAS reaches its closest point to Earth on Dec. 19, allowing close study with no threat to the ...

Heat pumps can actually be more than 100% efficient, according to several heating experts who spoke with CNET.

Researchers at the University of Hawaiʻi Institute for Astronomy (IfA) are helping reshape how scientists study the sun. The ...

After a year-long renovation, the Michigan Science Center reopened its planetarium Friday, showcasing technology upgrades and ...

Researchers at the University of Hawaii Institute for Astronomy (IfA) are helping reshape how scientists study the Sun.

Astronomers have created the first continuous, two-dimensional maps of the outer edge of the Sun’s atmosphere, revealing a ...

Astronomers have followed 3I/ATLAS since its discovery on July 1. Hubble photographed it on July 21 from 277 million miles ...