VOLODYMYR Zelensky has visited drone-flying troops on Ukraine’s frontline near a city that Russia is desperately trying to ...

Iconic landmarks in cities around the world were plunged into darkness on Saturday night as millions marked Earth Hour. The annual campaign by environmental NGO WWF is held to demand urgent action to ...

DESI's first dataset maps 18.7 million celestial objects, aiding dark energy, galaxy, and universe expansion studies.