Astronomers using the James Webb Space Telescope have discovered a bizarre 'black hole star' — a million-solar-mass object composed of a central black hole shrouded in pristine gas, potentially explaining mysterious early universe 'little red dots'.
A new study suggests that some of the coldest objects in the Milky Way, currently classified as stars, might be alien megastructures. Astrophysicist Amirnezam Amiri proposes these could be Dyson swarms, engineered systems harvesting stellar energy and releasing infrared heat, offering a new method to detect them.
Scientists using the James Webb Space Telescope have detected gases, including dimethyl sulfide (DMS), on exoplanet K2-18b that are linked to biological activity on Earth. While the signal is strong, it's not yet confirmed as life, with researchers awaiting further data to rule out non-biological explanations.
Astronomers using the James Webb Space Telescope and Chandra X-ray Observatory have identified 'little red dots' in the early universe, which may be dense gas clouds containing rapidly growing supermassive black holes.
