Usually, comets are dormant blocks of rock and ice. They only wake up when they get close to a star. The intense heat causes ...

An interstellar comet changed its chemistry after passing the Sun, revealing hidden layers and a surprising mix of carbon ...

A comet named 31/ATLAS was first discovered on July 1, 2025, and is located about 420 million miles away from Earth, ...

Interstellar comet 3I/ATLAS composition change reveals evolving chemistry after solar heating, offering clues about alien ...

A new comet should be visible to the naked eye this week, but you're going to need to set an alarm to see it.

Starlight has been the key to finding thousands of exoplanets over the past decade, but researchers have found a new way to ...

The interstellar comet 3I/Atlas began outgassing methane from its interior after being warmed up by the Sun. The material is ...

A team of astronomers from the European Space Agency have found that a huge interstellar object in space is ejecting water ...

From spectacular devastation to the all-too-human drama wrought by climate change, these movies and television series depicting global warming — or cooling! — have been chosen by THR staffers for ...

Comet C/2025 R3 (PanSTARRS) is brightening in the night sky in April. Here's when and how to see the buzzworthy celestial ...