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NASA's James Webb Space Telescope has uncovered unusual chemistry in interstellar comet 3I/ATLAS, including the first direct detection of methane on a visitor from another star system. The comet also contains exceptionally high levels of carbon dioxide, making it unlike most comets born in our solar...

An astronaut’s photo, taken en route to the Moon, reveals our planet and its place in space in a novel way.

The countries reject "any attempt, by any state or non-state actor, to hold Lebanon's future hostage", the US State Department said.

Summary pending review.

Children aged less than five years face almost three times the risk of illness from unsafe food than older children and adults, according to new estimates released today by the World Health Organization (WHO).

JOY PAN/Getty When most people imagine scientists discovering new species, they probably still picture an expedition into the unknown. A naturalist travels somewhere remote, perhaps on a wooden ship, and traipses through the jungle to encounter an animal or plant never before described by science....

The nation’s largest buyer of overdue medical debts has yet again relieved the burden of past hospital expenses for thousands of Americans. Having worked with state governments in Arizona and Maine, Undue Medical Debt (UMD) has now eliminated some $6.5 million in unpaid medical bills for 97,000 resi...

Description Sea level height data from the international Sentinel-6 Michael Freilich satellite collected from March to May 2026 show higher, warmer water moving from the western Pacific Ocean to just off the coast of Colombia, Ecuador, and Peru. This phenomenon is known as a warm Kelvin wave, signif...

June's night sky delivers several must-see events, starting with a close encounter between Venus and Jupiter after sunset. Mercury joins the pair to form a rare three-planet lineup, while the Moon puts on a special show by passing in front of Venus for viewers in parts of the Americas. The month als...