"It could represent some of the oldest and most pristine water ever observed, formed in another planetary system and ...

An incredibly reassuring feature is that Perplexity never completes the process without checking first. In other words, even ...

On July 1, astronomers spotted an unusual high-speed object zooming towards the sun. Dubbed 3I/ATLAS, the surprising space ...

The issue concerns sunlight reflecting off the satellites’ surfaces. SpaceX has attempted to reduce the brightness of the ...

"The consequences, should the hypothesis turn out to be correct, could potentially be dire for humanity," said Avi Loeb.

Perplexity Comet isn't the first AI-powered web browser to arrive. That honor goes to Dia, but thanks to the popularity of ...

Miguel Claro took one last look at the comet as it bid farewell to Earth for the next 80,000 years. Miguel Claro is a ...

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