ATLAS now a faint naked-eye object Moving across the constellation Ophiuchus in the evening sky, Comet C/2023 A3 Tsuchinshan ...

Astrophotographer Miguel Claro captured Comet C/2023 A3 (Tsuchinshan-ATLAS) from the Dark Sky Alqueva reserve in Portugal on ...

NASA scientists concocted an idea a decade ago to save the world from a civilization-ending eruption of the supervolcano ...

The closest star to Earth is also the best studied, but only recently have we truly begun to uncover its secrets.

Stargazing can be as unpredictable as aurora-chasing, but once you’re settled under a dark night’s sky with a vast canopy of ...

In the year 1181, something incredible happened in the night sky. A new star appeared, dazzling observers around the world.

How, when, and where to look to see Comet C/2023 A3 (Tsuchinshan-ATLAS) after sunset this weekend, with sky charts, before it ...

How, when, and where to look to see Comet C/2023 A3 (Tsuchinshan-ATLAS) after sunset this Friday, Nov. 1, with sky charts, before it disappears.

The so-called "Halloween comet" vaporized as it flew within 1 million miles of the sun on Monday, its destruction captured by ESA and NASA observers.

The comet reached its perihelion on Monday at 7:30 a.m. ET and was completely vaporized after passing within 1% of Earth’s distance from the sun, less than 1 million miles (1.5 million ...

The comet reportedly reached perihelion at 7:30 a.m. ET, two days later than anticipated. "C/2024 S1 is a true sungrazer," NASA wrote. "It passed within 1% of Earth’s distance to the Sun ...

A meteor shower known for blazing fireballs is set to peak on Monday night into early Tuesday and could present a dazzling ...