Investigating 3I/ATLAS's optical properties reveals distinctive features, crucial for understanding the composition and ...

No two comets are exactly alike. Of course, they can appear similar. Two decently bright comets that share a superficial resemblance are gracing our skies right now, in fact: C/2025 A6 (Lemmon) and ...

Due to the lapse in federal government funding, NASA is not updating this website. This image of the sunward plunging comet ISON suggests that the comet is intact despite some predictions that the ...

The Me 163 Komet is the only rocket-powered fighter to ever enter operational service. The short-range German interceptor was the fastest and one of the most radical aircraft of World War II. Despite ...

Two comets are converging in the night sky this month You can see an online livestream of the comets via the Virtual Telescope Project later this week The comets are called C/2025 A4 (Lemmon), and ...

Michigan skygazers, there's still time left to bundle up under the night sky and enjoy dazzling shooting stars, and even a pair of comets. The Orionids, Southern Taurids and Northern Taurids meteor ...

Two newly discovered comets are streaking across the sky in a spectacular display as they make their closest approaches to Earth this month. Comets are made of ice, frozen gases and rock, and as they ...

Skywatchers may be able to spot not one but two comets this October, which would give the night sky a new level of sparkle. Seeing more than one comet a month is remarkable and fairly uncommon. C/2025 ...

Lowell Observatory astronomer Matt Knight had good news this morning for the team assembled by NASA on Kitt Peak to observe Comet ISON: "ISON has brightened by a factor of four in the last 12 hours or ...

A newly discovered interstellar comet is puzzling astronomers as it speeds through our solar system with a chemical profile unlike anything seen before. Officially named 3I/ATLAS, it's only the third ...

A groundbreaking discovery was recently made about the largest comet ever observed hurtling toward the sun from the Oort Cloud in the outer reaches of our solar system. Astronomers recently got a ...