US President Donald Trump and officials of his administration are convinced that Ukraine has reserves of rare earth metals.

Since taking office, Trump has not approved any new weapons transfers. His call with Putin — combined with his annoyance over ...

钷（Promethium），这个第61号镧系元素，却在实验研究中明显缺席了。让我们来一起探索关于钷的化学之谜！出品：科普中国-创作培育计划 本文为澎湃号作者或机构在澎湃新闻上传并发布，仅代表该作者或机构观点，不代表澎湃新闻的观点或立场，澎湃新闻仅 ...

Pavan Kumar Moodalkatte says his South Asian food business is being undercut by the number of unlicensed home-based food services available in the Fredericton area. Trump says he will change the ...

After this announcement, all eyes now turn to who replaces Justin Trudeau. A number of contenders are in the speculation mix.Catherine Cullen is host of CBC's podcast The House has the latest ...