Virtual explorer Robert Criss, Ph.D., professor of earth and planetary sciences at Washington University in St. Louis, has teamed up with Lewis and Clark to provide the oldest determinations of the ...

THE remarkable paper on Stonehenge, by Sir N. Lockyer and Mr. Penrose, in NATURE of November 21 has greatly interested me. Just two years ago, I was working at the subject, and wrote to Prof. Petrie ...

The celestial wanderer, Comet C/2025 A6 (Lemmon), has completed its nearest pass to Earth, offering a final window for observation, as per Sky Live. The comet achieved its closest proximity to our ...