Comet C/2025 R2 (SWAN) Closest Approach: October 21 Viewing …
Oct 19, 2025 · Comet C/2025 R2 (SWAN), discovered by Vladimir Bezugly, reaches closest Earth approach Oct. 21, 2025, potentially visible with binoculars or naked eye. Comet C/2025 R2 …
Comets - Science@NASA
Jul 17, 2025 · This animation shows the observations of comet 3I/ATLAS when it was discovered on July 1, 2025. The NASA-funded ATLAS survey telescope in Chile first reported that the …
Interstellar comet 3I/ATLAS could help protect Earth from …
3 days ago · A newly found interstellar comet poses absolutely no threat to Earth, but a NASA-coordinated group plans to observe it to help our ability to monitor any future objects that might …
3I Atlas comet updates: Where is it now, and what scientists are …
14 hours ago · The 3I/ATLAS comet was first spotted in July near Jupiter after it entered our solar system from another universe. Here’s what’s known about it and what we’ve learned so far.
Comet 3I/ATLAS To Brush Past Earth Today! Experts Warn of …
18 hours ago · NASA has announced that the interstellar comet 3I/ATLAS will approach Earth on October 29, 2025, marking its closest encounter at approximately 167 million miles away. The …
NASA Confirms Brightening Comet SWAN Could Be Visible With …
Oct 20, 2025 · Discovered in NASA SOHO data, Comet SWAN will approach Earth in mid-October 2025, glowing green and possibly visible to the naked eye near the western horizon …
Inside NASA’s 3I/ATLAS campaign: How a harmless comet could …
13 hours ago · NASA and the International Asteroid Warning Network have launched a global campaign to track comet 3I/ATLAS and strengthen Earth’s asteroid defense.
NASA says new interstellar comet it spotted will keep a safe ... - PBS
Jul 3, 2025 · NASA said the comet will make its closest approach to the sun in late October, scooting between the orbits of Mars and Earth — but closer to the red planet than us at a safe …
Here‘s how to see a rare green comet this week | National …
Oct 17, 2025 · Comet C/2025 A6 (Lemmon), captured from the Dark Sky Alqueva Observatory in Portugal on October 2, 2025, glows green as it nears its closest approach to Earth. Here’s how …
Comet 3I/ATLAS - NASA Science
Oct 2, 2025 · NASA's Hubble Space Telescope captured this image of interstellar comet 3I/ATLAS on July 21, 2025, when the comet was 277 million miles from Earth. Hubble …