The magnetic wakes of pulsar planets

Pulsars are among the most extreme stars in the universe: dense balls of matter which are heavier than the Sun, yet only a few tens of kilometers in diameter. They rotate rapidly (up to several hundred revolutions per second) ...

Canada aims to beat 2030 climate target, says Trudeau

Canadian Prime Minister Justin Trudeau announced Friday an annual hike of his country's carbon tax by Can$15 (US$12) per tonne after 2022, and billions in new investments to try to beat its climate target.

Geoengineering, other technologies won't solve climate woes

The countries of the world still need to cut their carbon dioxide emissions to reach the Paris Agreement's climate targets, especially if that target is now 1.5 degrees C instead of 2 degrees C. Relying on tree planting and ...

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