Some Silicon Valley tech investors are promoting Greenland as a site for a so-called freedom city, a libertarian utopia with ...

One part of this plan would require increasing the planet’s atmospheric pressure, and one scientist suggests that capturing ...

Two years ago, a star on its deathbed was charged with a heinous act — eating a planet — in a system 12,000 light-years away ...

Understanding what's growing — and why it matters — is a powerful first step. Biologist issues warning about aggressive ...

The UK has accused Vladimir Putin of dragging his feet on a Ukraine ceasefire at a meeting of allies - at which more than £18bn in aid was pledged to Kyiv. Meanwhile, Donald Trump's envoy has ...