Live Updates: China and Canada Retaliate Against New Trump Tariffs
The responses escalated the trade war that has rattled governments and international relations. The Trump administration’s ...
'Ghosts of the radio universe': Astronomers have discovered a slew of faint circular objects
Radio astronomers see what the naked eye can't. As we study the sky with telescopes that record radio signals rather than ...
Physics World16h
Thirty years of the Square Kilometre Array: here’s what the world’s largest radio telescope project has achieved so far
When it starts taking scientific data in 2028, the Square Kilometre Array Observatory promises to be the world’s largest and most sensitive radio telescope. But as Sarah Wild discovers, its ...