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Astronomers may have witnessed one of the rarest and most dramatic cosmic events ever seen: a long-sought intermediate-mass black hole ripping apart a dense white dwarf star and devouring it. The Einstein Probe space telescope caught the explosion in ...

Vitamin B12 is needed in microscopic amounts, but a shortage can have major effects on health and energy. The vitamin was first linked to a lifesaving liver treatment for pernicious anemia nearly 100 years ago. Today, researchers are finding that B12 ...

Researchers found that a rare liver cancer evades immunotherapy by luring immune T cells away from the tumor and trapping them in nearby fibrous tissue. An FDA-approved drug called AMD3100 freed those T cells to attack the cancer, significantly ...

How does a single cell build a brain with billions of precisely organized neurons? Researchers suggest that brain cells use their lineage--their cellular family tree--as a kind of positional map. Cells that come from the same ancestor stay near one . ...

Healthy older adults experienced measurable improvements in memory, physical performance, and stress after taking placebo pills for just three weeks. The most surprising finding was that the placebo often worked even when participants knew the pills ...

A giant black coral estimated to be 300-400 years old has been discovered deep in Fiordland, New Zealand, astonishing researchers with its enormous size--about 4 meters tall and 4.5 meters wide. Scientists say it may be one of the largest black ...

After nearly seven decades of excavation, the legendary ancient city of Sardis has become a UNESCO World Heritage Site, celebrating years of discoveries that continue to reshape its history. Archaeologists say the biggest breakthroughs don't happen . ...

NASA's Lucy spacecraft discovered that asteroid Donaldjohanson is a wobbling, peanut-shaped relic born from a violent collision and slowly reshaped by the subtle force of sunlight. It also carries traces of ancient water, making it an important clue ...

Osteopenia is a common but often overlooked condition that causes bones to become less dense and more fragile. Because it develops silently, many people only discover they have it after a fracture or bone scan. Aging, menopause, poor diet, and ...

A Pacific-wide tsunami triggered by a magnitude 8.8 Kamchatka earthquake gave scientists their first detailed satellite view of a major tsunami in motion. The observations revealed unexpected wave behavior and helped uncover a larger earthquake ...