In the dense, glittering heart of our galaxy, a cosmic drama is playing out that puts our own quiet solar system to shame. While the night sky above Britain might seem serene, the latest visitor to ...

Comet 3I/ATLAS, the third interstellar object ever detected, reached its closest point to Earth overnight from Thursday to Friday (Dec. 18 to 19), and it remains in a good viewing position tonight.

Discovered on July 1, 2025 by the ATLAS survey telescope in Chile, 3I/ATLAS — the third confirmed interstellar object after 1I/ʻOumuamua and 2I/Borisov — hurtled into our solar system at an inbound ...

November 24, 2025 • Our annual reading guide returns with 380+ new titles handpicked by NPR staff and trusted critics. Find 13 years of recommendations all in one place — that's more than 4,000 great ...