对地观测

On March 17, 1958, the U.S. launched Vanguard 1, a 1.5 kg solar-powered sphere that became the oldest human-made object in orbit. The mission tested early rocket hardware and, t... 三月 17, 2026

Strikes on oil facilities near Tehran have produced 'black rain' and a suite of airborne and waterborne hazards. Experts warn the environmental health cost Iran faces could last... 三月 13, 2026

From Hubble's fiery stellar nurseries to satellite views of wildfires and a torrent of market hype around SpaceX, the cosmos and commerce are simultaneously 'ablaze'. This artic... 一月 27, 2026

A United Nations University report led by Kaveh Madani says the world has passed a tipping point: rivers, wetlands and aquifers are being depleted and degraded faster than they ... 一月 21, 2026

A major Nature study finds the central Amazon is experiencing ‘hot droughts’ that signal an emerging hypertropical climate — a hotter, drier state not seen for millions of years... 十二月 31, 2025

An astronaut photo from 2021 captures a striking point in Argentina's Los Glaciares National Park where glacier ice, a turquoise lake and a sediment-rich river converge — a vivi... 十二月 30, 2025

At an ESA ministerial in Bremen this week, member states approved a record three‑year budget that boosts science and exploration ambitions even as NASA faces deep cuts under the... 十二月 03, 2025

Airbus, Leonardo and Thales are combining their space operations into a single Toulouse‑based company employing about 25,000 people and generating roughly €6.5bn a year, aiming ... 十一月 13, 2025