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Scientists detected gas at least five times hotter than previous theories had predicted inside a galaxy cluster from the early universe

Scientists observed an active region on the sun for a record 94 days, marking a “milestone in solar physics”

A global catalog shows how creatures across the tree of life balance rigidity with flexibility in remarkably consistent ways

Behavioral economist Katy Milkman explains why most New Year’s resolutions fail and shares how science-backed strategies can build habits that last.

A fossil belonging to an ancient hominin that lived seven million years ago bears the hallmarks of bipedalism, according to a new study

These birds’ drilling approach is more like extreme tennis playing than weight lifting

The “Seven Sisters” of the Pleiades are part of a much larger complex that can help reveal our galaxy’s deep history

Astronomers just measured the mass of a free-floating planet without a star for the first time

The new year has arrived, and the Quadrantid meteor shower is coming in hot. Here’s how to see this often-spectacular shower at its peak

Space Forge plans to manufacture semiconductors from space—without the need for humans

A galaxy cluster discovered on New Year’s Eve in 2020 shines in a new image from NASA’s Chandra X-Ray Observatory

Astronomers combined data from NASA’s JWST and Chandra X-ray Observatory to create a stunning new image of two merging spiral galaxies

The brutal respiratory infection has infected tens of thousands and killed at least 13 people in the U.S. in 2025

Health officials have agreed to assess pending medical research grants after a Trump administration antidiversity purge put them on ice

NASA’s new boss Jared Isaacman hinted that he could break with Texas lawmakers’ push to move iconic space shuttle Discovery from the Smithsonian to Houston

A neuroscientist explains how highly processed foods may be key to “food addiction.” She also reveals some solutions

New medications are in the pipeline that could help people win their battles against addictive substances, including opioids

From crewed lunar voyages to flight tests of fully reusable rockets and launches of new orbital telescopes studying the outer limits of the cosmos, 2026 should be a banner year for space science and exploration

A humungous shark that lived 115 million years ago surpassed the size of modern-day great whites, paleontologists discovered

Beijing is set to tighten China’s rules for humanlike artificial intelligence, with a heavy emphasis on user safety and societal values