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Dark matter particles may exert a hidden force on one another, but its effects are stranger than expected. An extra attraction helps the particles cluster, yet it also makes dark matter effectively lighter as the Universe expands. That weakens its gravitational impact and usually slows the growth of...

Cancer cells rely on powerful genetic switches to keep growth genes running at full speed, but that intense activity can damage their own DNA. The resulting breaks are repeatedly repaired, sometimes with small mistakes that allow new mutations to accumulate. Researchers believe this self-inflicted d...

Global warming appears to have shifted into a faster gear. After removing the effects of El Niño, volcanic eruptions, and solar cycles, researchers found that the planet has warmed at roughly 0.35°C per decade over the past ten years, compared with just under 0.2°C per decade from 1970 to 2015. The...

From beach ratings to apps and flags, we take a look at how swimmers can check water quality.

NASA will hold a news conference at 2:30 p.m. EDT, Friday, Aug. 14, live from the agency’s Kennedy Space Center in Florida, and media and digital creators are invited to attend in person. The announcement, held in the XLV Hangar at the Shuttle Landing Facility, will preview a new event at NASA Kenne...

Nine females and 10 males were introduced to the area by the Two Moors Pine Marten Project last year.

A gene involved in the brain’s overnight cleaning system may change how strongly poor sleep affects Alzheimer’s-related brain changes. The findings point toward more personalized prevention strategies based on both genetics and sleep habits.

A study finds road traffic kills have an exaggerated impact on the viability of small groups.