Space, astronomy, rockets and the physics of it all.
Wednesday, September 23, 2026 (UTC)
Theme
Accent colour
Tints the masthead accent, links, the favicon and share cards.
Type size
Face
Language
Asteroids & Planetary Defense
with Caleb MbekiUS council says asteroid impact energy tops out at 150 megatons
The US National Research Council puts the energy of a 40 to 100 meter asteroid impact at no more than about 150 megatons.
Mercury may have shrunk 30% more than thought, study saysCaleb MbekiBitcoin below $80,000 as Polymarket bet settles near zeroCaleb MbekiPresident issues executive orders on veterans benefits and Defense Production ActCaleb MbekiNOAA awards $42.2M to UC San Diego for climate instituteCaleb MbekiPolymarket bettors see foldable iPhone price below $2,000Caleb MbekiBitcoin odds jump 31 points on Polymarket as crypto markets swingCaleb MbekiDOD budget authority hits $2.63 trillion for fiscal 2026Caleb MbekiIsar Aerospace launches Europe's first commercial orbital rocket from NorwayCaleb MbekiAsteroid CERNQ52 enters Earth atmosphere over Indian OceanCaleb Mbeki