Mercury has long been considered a quiet, heavily cratered world, shaped mainly by time and exposure. That assumption began to change when NASA’s MESSENGER spacecraft sent back detailed images of the ...
Astronomers have discovered a bizarre exoplanet slightly larger than Earth, covered by a vast magma ocean and wrapped in a sulfur‑rich atmosphere. Observations from the James Webb Space Telescope ...
Astronomers are baffled by Kepler-51’s “super-puff” planets—giant worlds as light as cotton candy. Despite expectations, the James Webb Space Telescope failed to detect their atmospheric signatures, ...