
Comet Wierzchos Makes Its Closest Pass By Earth
Comet C/2024 E1 (Wierzchos) is set to make its closest approach to Earth on February 17, passing at a safe distance of 94 million miles.
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Comet C/2024 E1 (Wierzchos) is set to make its closest approach to Earth on February 17, passing at a safe distance of 94 million miles.

An interstellar comet, 3I/ATLAS, survived its trip around the sun, providing an unprecedented look at the chemical building blocks of alien worlds.

Interstellar comet 3I/ATLAS is making its final close approach to Earth on Dec. 19, offering scientists a rare chance to study an object from outside our solar system.

New images from NASA's Hubble and ESA's Juice spacecraft show interstellar comet 3I/ATLAS glowing with activity ahead of its close approach to Earth on Dec. 19.

NASA's PUNCH mission has completed a record-breaking, near-continuous 40-day observation of Comet SWAN, providing an unparalleled look at its journey.

NASA has confirmed the interstellar object 3I/ATLAS is a natural comet, not alien technology, based on data from over 20 missions observing the visitor.

A rare visitor from another star system, comet 3I/ATLAS, is passing through our solar system, offering scientists a unique chance to study material from deep space.

A rare interstellar object, 3I/ATLAS, has puzzled scientists after it rapidly and unexpectedly brightened during its recent close pass of the Sun.

A rare interstellar comet, 3I/ATLAS, is baffling scientists after they detected nickel vapor in its atmosphere at a distance where metals should be frozen.

NASA's Europa Clipper spacecraft is on a collision course with particles from an interstellar comet, offering a rare chance to sample material from outside our solar system.

A newly discovered comet, C/2025 R2 (SWAN), will make a close approach to Earth on October 21 and may become visible to the naked eye in dark skies.

A new study reveals interstellar comet 3I/ATLAS is ejecting large amounts of water at an unusual distance from the sun, challenging theories on cometary activity.