A fourth Sun-like star loops around this tightly packed inner nexus roughly once every 1,000 days. The whole collection would ...

Ancient rock crystals from Australia suggest that early Earth might not have been as different as scientists had thought from ...

Back from the brink. Under a microscope at Chester Zoo, UK, a greater Bermuda snail (Poecilozonites bermudensis) awaits its ...

The United States has slammed the brakes on legal routes to limit greenhouse gases. But cities, states and businesses can ...

The UN Sustainable Development Goals represent a carefully-crafted road map for future human and planetary prosperity.

Mainstream chatbots presented varying levels of resistance to deliberate requests for fabrication, study finds.

Crystal jellyfish have an eerie beauty: thanks to a natural protein, they emit a faint green glow. For decades, researchers have used that green fluorescent protein and similar molecules to light up ...