A Visitor From the Oort Cloud: Rare Comet Appears in Southern Skies

Known as C/2025 R3 PANSTARRS, the comet will be visible to stargazers using a telescope in New Zealand, Australia and South ...
Morning Overview on MSN

Interstellar comet 3I/ATLAS carries 40 times more deuterium than anything in our solar system — and formed at -405°F

A comet born around another star is carrying water unlike anything ever measured in our solar system. Interstellar comet ...
USA Today

Comet alert! C/2025 R3 (PANSTARRS) visible in US, including Arizona

A newly discovered comet, C/2025 R3 (PanSTARRS), could be the brightest of its kind visible from Earth in 2026. The comet will make its closest approach to the sun on April 19 and its closest approach ...
Space.com

Comet MAPS faces a make-or-break moment as it dives toward the sun on April 4 — could it shine in the daytime sky?

We are now in the home stretch in the nearly four-month saga of Comet C/2026 A1 (MAPS). This is the make-or-break week for this object as it heads for its long-awaited rendezvous with the sun this ...
Big Island Now

Mauna Kea telescope helps researchers reveal changes in interstellar comet 3I/ATLAS

Discovered in 2017 by Pan-STARRS atop Halealakalā on Maui, ʻOumuamua was the first confirmed interstellar visitor. Its ...
Science Daily

Interstellar comet 3I/ATLAS contains strange water never seen in our solar system

A mysterious comet from beyond our solar system is giving astronomers a rare glimpse into alien worlds — and it may have ...
USA Today

A rare green comet will be one of two in the night sky. Here's where to look for them

Two comets are set to light up the night sky, one of which will not be seen again for over 1,000 years. C/2025 R2 (SWAN) and C/2025 A6 (Lemmon) are expected to be visible across the country this month ...