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Invisible radiation leaking out of private satellites, like SpaceX's Starlink spacecraft, is disrupting radio astronomers' ability to detect important signals from across the universe. If left unchecked, we could reach an "inflection point" beyond which we can no longer properly study the cosmos, researchers warn.

First theorized in 1938, heat's wave-like flow through superfluids, known as "second sound", has proven difficult to directly observe. Now, a new technique has finally done it, and could be used to study neutron stars and high-temperature superconductors.

A NASA-funded plan to build a large radio telescope on the moon's far side is nearing final approval and could become a reality by the 2030s, researchers say. The ambitious project will help safeguard astronomy from satellite "megaconstellations" — and help scientists unravel more of the radio spectrum.

The number of satellites orbiting Earth is rising fast, thanks to private companies such as SpaceX. But just how big will these "megaconstellations" become? And what problems might they cause?

Giant groundsels are rare plants that grow up to 30 feet (9 meters) tall. They are endemic to the slopes of Mount Kilimanjaro, a dormant volcano in Tanzania and Africa's tallest mountain.

A study of more than 100 genomes from people who lived in ancient China has unmasked a "ghost" in their midst.

A cocktail of FDA-approved cancer drugs, trametinib and rapamycin, boosts the lifespan of lab mice by 30% and might help humans age better, new study finds.

By combining data from the Subaru Telescope and James Webb Space Telescope, researchers have discovered distant quasars that are obscured by dust but which may shed light on Little Red Dots.

Alterations to a single gene in the plague bacterium's genome have shed light on a method the germ has used to survive and spread through the ages.

A major collection of more than 50 bird fossils found in northern Alaska suggest some ancient ancestors of modern birds learned to either adapt to the harsh Arctic winter, or migrate south during the Mesozoic — the age of dinosaurs.

A cutting-edge technique for analyzing fossil tooth enamel is revealing remarkable new information about 2 million-year-old human relatives.