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How to see Comet C/2025 R2 (SWAN) shine in the October sky

Comet C/2025 R2 (SWAN) was discovered on Sept. 10 by Ukrainian amateur astronomer Vladimir Bezugly. It has brightened ...

This rare green comet won’t return for a thousand years. Here’s how to see it this week.

Comet C/2025 A6 (Lemmon) is this year’s brightest comet visible from Earth—an icy relic from the solar system’s origins that ...

Two Comets Are Moving Into Your Night Skies in October: How to Watch

The comets A6 (Lemmon) and R2 (SWAN) are visitors from the chilly fringes of our solar system, and could even be visible at ...

Vera C. Rubin Observatory

With giant mirrors concentrating starlight into a 3,200-megapixel camera, the Vera C. Rubin Observatory is expected to reveal ...
The American Journal of Managed Care

High-Touch Surfaces, Objects Drive C difficile Transmission, Even With Regular Cleaning, Study Says

A new mathematical model highlights the challenges of preventing Clostridioides difficile transmission in the hospital. Frequently touched surfaces and objects account for three-quarters of ...

Unknown bright objects approached reactors at Japan nuclear plant in July

Three bright objects observed flying over a nuclear power complex in southwestern Japan in July circled through the premises ...