Cosmic sprint: Two comets from different worlds appear side by side
In a rare celestial spectacle, two comets from vastly different origins were captured racing side by side across…
Cosmic Wonders Abound in the ZWO Astronomy Photographer of the Year Contest — Colossal
From aurora borealis to the Milky Way to distant nebulae, cosmic phenomena induces wonder like little else. When…
How an Interstellar Interloper Spurred Astronomers into Action
On 1 July 2025, astronomers detected a visitor from the deep reaches of space. At the time of…
Comet 3I/ATLAS seen with glowing tail by telescope
A ground telescope in Chile recently glimpsed the comet’s glowing tail, which observations reveal has steadily been growing…
NASA’s New SPHEREx Mission Observes Interstellar Comet
NASA’s SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of Reionization and Ices Explorer) observed interstellar comet…
New Study Fuels Debate Over World-Changing Comet Strike 12,800 Years Ago
Roughly 12,800 years ago, as Earth was emerging from its last great ice age, temperatures in the Northern…