德国达姆施塔特工业大学地球科学家近日在《Earth & Environment》期刊发表最新研究：不仅海洋、河流和农田被微塑料和纳米塑料污染，连远离城市的森林也未能幸免。森林能储存从空气中带入的微塑料，这些颗粒通过降雨、落叶和分解过程不断积聚在土壤中 ...

SYDNEY, Sept. 18 (Xinhua) -- Researchers have helped uncover evidence of a mysterious giant asteroid impact, hidden not in a crater but in tiny pieces of glass found only in Australia.

MOSCOW, Sept. 18 (Xinhua) -- Asteroid 2025 FA22, one of the largest of its kind to approach Earth this year, passed by safely on Thursday, according to Russian scientists.