Scientists using the James Webb telescope observed a distant exoplanet with an atmosphere of soot and diamonds, challenging all explanations.

A double explosion, in which a dying star split, then recombined, may be a long-hypothesized but never-before-seen "superkilonova." ...

The way humans react to AI content on the internet will likely govern how it evolves, potentially bursting an AI bubble by retreating to human-only enclaves on the web or requiring a higher level of ...

A small study reveals that cats greet male owners more vocally than female ones. But the findings could be a result of ...

NASA's Mars Reconnaissance Orbiter spacecraft has just taken its milestone 100,000th photo of the Red Planet using its ...

The two gold coins were minted almost 2,300 years ago, around the mid-third century B.C. "This makes them part of a very ...

Earth's seasons look very different at locations not far from each other, 20 years' worth of satellite data reveals. Earth's seasonal cycles can vary dramatically across short distances, even at the ...

A satellite photo from July shows intricate snowy stripes painted across the Atacama Desert in Chile. The icy weather temporarily put the Atacama Large Millimeter/submillimeter Array (ALMA) ...

A 2,000-year-old palace in the Republic of Georgia and a 1,500-year-old church in Iraq suggest Zoroastrians coexisted with people of other religions.

This mash-up of data from the James Webb Space Telescope and the Chandra X-ray Observatory reveals two galaxies mid-collision ...

Recent fossil finds could mean that "Lucy" wasn't our direct ancestor, some scientists say. Others strongly disagree.

A new material called multiscale reduced graphene oxide could mean faster charging and power delivery than traditional batteries allow.