From a small island off the coast of Panama to the farthest reaches of space, the Smithsonian advanced our knowledge of the universe on scales big and small in 2025.
The Sun has never looked quite like this. With a quartet of small satellites flying in formation, NASA’s PUNCH mission is ...
Another batch of the ‘impossible’ galaxies turned out not to be standard galaxies at all, but a new type of object that ...
On Dec. 18, just 24 hours before its closest approach, the Green Bank Telescope scanned frequencies from 1 to 12 GHz. Their ...
NASA’s Hubble Space Telescope captured asteroids crashing into one another in a nearby planetary system around a star some 25 ...