Miguel Claro took one last look at the comet as it bid farewell to Earth for the next 80,000 years.

The comet's approach toward Earth coincides with a total solar eclipse on April 8. Around that time, 12P/Pons-Brooks will be at or near perihelion, the point during orbit when it's closest to the sun.

The bright K2 comet — previously the farthest active comet ever spotted — approaches the Earth on July 13 and 14. Here's what it is and how to see it.

"The consequences, should the hypothesis turn out to be correct, could potentially be dire for humanity," said Avi Loeb.

An extraordinary green comet that hasn’t appeared in Earth’s night skies since the time of woolly mammoths will make its closest approach Wednesday and Thursday. Scientists have calculated the ...

Most comets, including the well-known Halley's, loop through our solar system like cosmic time capsules that formed alongside ...

Comet 12P/Pons-Brooks, known as the Devil Comet for its distinctive "horns," is fast approaching. Here's when, and how close it will come to Earth.

The green comet has not been seen for 50,000 years. You may be able to spot the comet in a clear, moonless sky -- especially with binoculars or a telescope.

Comet C/2023 A3 or Tsuchinshan-ATLAS has been dubbed ‘Comet of the century'. It has been called so because it could be exceptionally bright and even outshine C/2020 F3 (NEOWISE), which was ...

A massive comet traveling toward Earth has had two explosions in four months, according to the British Astronomy Association. Astronomers have observed the comet, 12P/Pons-Brooks, ...

NASA has discovered an interstellar comet that’s wandered into our backyard.The space agency spotted the quick-moving object with the sky-surveying Atlas telescope in Chile earlier this week, and ...

The green-colored comet C/2022 E3 (ZTF), which was first discovered by astronomers in March 2022, will make its closest approach to Earth later in the month.