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 ...
4 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 …
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 …
Comet 3I/ATLAS to reach closest point to the Sun today; NASA ...
15 hours ago · Interstellar comet 3I/ATLAS will reach perihelion on October 30, triggering its brightest and most active phase as NASA and global missions track its rare solar encounter.
3I/ATLAS: The Truth Behind the Mysterious Interstellar Object ...
Oct 23, 2025 · A computer-generated mock-up showing the projected trajectory of interstellar comet 3I/ATLAS through the Solar System. The visualization, based on NASA data, highlights …
3I Atlas comet updates: Where is it now, and what scientists ...
1 day 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.
Interplanetary defense system deployed by NASA-backed …
Oct 23, 2025 · A NASA-backed planetary defense group has reportedly begun efforts to pinpoint comet 3I/ATLAS after it was observed emitting an alloy not seen in nature and exhibiting other …