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Stress can shape how memories are formed, a study in mice suggests. The findings could point the way to future treatments for PTSD and anxiety.

Immune cells produced during severe COVID-19 infection may shrink tumors. The unexpected mechanism offers a new therapeutic possibility for advanced and treatment-resistant cancers.

Doctors write case reports to help call rare conditions to the attention of their peers, or to highlight patients whose diagnoses ended up being a bit of a puzzle. Case reports can shed light on emerging trends, hinting at when a condition might be becoming more common. They can also…

The wheel was likely invented around 6,000 years ago, but a new analysis of curious rocks from Israel suggests that wheel-like technologies existed even earlier.

Deep-sea researchers have discovered a glowing sea slug with a huge hood that helps the creature feed like a Venus fly trap.

An analysis looking at the hand bones of australopithecines, apes and humans reveals that tool use likely evolved before the Homo genus arose.

The clonal quaking aspen known as Pando is between 16,000 and 80,000 years old.

Biologist Kathy Willis spoke to Live Science about how touching wood makes us calmer, why looking at a picture of a savanna is calming and how walking through a forest changes our gut microbes.

The Concorde was the fastest commercial plane ever flown, but its speed came with a hefty price tag.

The number of known galaxies circling the Milky Way is increasing as we develop new powerful telescopes.

Emerging evidence suggests that plate tectonics, or the recycling of Earth's crust, may have begun much earlier than previously thought — and may be a big reason that our planet harbors life.