Comets

Comet Appearances 2026: Dates, visibility, trajectory & how to watch

2026 promises dazzling comet sights, from rare interstellar visitors to potentially naked-eye showpieces. When, where, and how to watch each comet could reveal surprises for skywatchers worldwide.

October Sky Spectacle: Two comets and meteor shower combine for stunning display

Skywatchers are in for a rare celestial spectacle as two bright comets, C/2025 R2 (SWAN) and C/2025 A6 (Lemmon), make their closest approach to Earth while the Orionid meteor shower peaks in October 2025.

Race against time: Two comets captured 'racing' side by side over Reunion island

Two comets, C/2025 K1 ATLAS and C/2025 R2 SWAN, were captured “racing” across the night sky of Réunion Island, resulting in stunning visuals and providing scientists with valuable insights.

Five bright comets approaching Earth: Here’s when they will be visible in the skies

Five bright comets are approaching Earth soon, with Comet Lemmon leading the way. Astronomers predict it could become visible to the naked eye under dark skies.

NASA’s SPHEREx and Webb spot water and CO2 on glowing interstellar Comet 3I/ATLAS beyond the Solar System

NASA announced that its SPHEREx mission recently recorded detailed observations of comet 3I/ATLAS.

Meteor fireballs, nebulae, Durdle Door skies and more: See NASA's 10 stunning astronomical images

From dazzling meteor fireballs to glowing nebulae and cosmic clouds, NASA’s latest collection of astronomical images captures the beauty and mystery of our universe in breathtaking detail.

Up to 1 million hidden interstellar objects possibly larger than the Statue of Liberty may drift in outer solar system

New research suggests millions of unseen interstellar objects, some as big as the Statue of Liberty, could be trapped in the solar system, originating from Alpha Centauri, our closest star system.

NASA discovers seven mysterious 'dark comets' that might have brought life to Earth

Astronomers uncover seven new 'dark comets,' mysterious celestial bodies blurring the line between asteroids and comets, revealing intriguing differences and sparking curiosity about their origins.

Celestial events from 6 to 13 December: Jupiter to shine brightest, Saturn to steal the spotlight this week

Explore the December sky with our guide to astronomy events, including planetary alignments, moon phases, and asteroid sightings.

Rare 'Halloween comet' to visit Earth this week: when and how to watch

Witness the rare Comet ATLAS, visible during daylight, as it approaches the sun. Get updates on its survival chances, viewing tips, and NASA's predictions.

Rare, ancient comet last seen 80,000 years ago, captured by Indian stargazers; see pics here

Witness the rare celestial event of Comet C/2023 A3 Tsuchinshan-ATLAS, visible in India for the first time in 80,000 years. Get viewing tips and astrophotography inspiration.

Scientists discover the origin of dinosaur-killing asteroid; learn more about this deadly space rock

A new study has finally revealed the origin of the asteroid that wiped out the dinosaurs, giving us an exciting glimpse into the universe’s long-hidden secrets.

You might have to leave your city during The Perseid Meteor Shower this weekend, know what NASA says

The Perseid meteor shower is almost here, offering a dazzling display of "shooting stars" for sky watchers. But you might have to leave your city to make the most of this celestial event, here's what you need to know.