A bold geochemical model reveals that TOI‑270 d, a sub‑Neptune 73 light‑years away, is likely a giant rocky world cloaked in a blistering, dense atmosphere rather than a watery Hycean planet. Webb ...

Greenland's ice is melting, opening new sea routes and yielding easier access to prized natural resources, writes Fred Hewett. The island has become a bellwether of global disruption driven by climate ...