Could aliens ever visit Earth? An aerospace scientist unpacks the challenges of interstellar spaceflight
Read More 4 minute read Earth Earth is heading for 2.7°C warming this century. We may avoid the worst climate scenarios – but the outlook is still dire Aliraza Khatri’s Photography/Getty Sven Teske, University of Technology Sydney Is climate action a lost cause? The United States… bySven TeskeJune 2, 2025