A comet first discovered in late March has already become bright enough to be seen with binoculars under dark skies with a ...

Leonard Peikoff dedicated his life to promoting the author’s vision of freedom and self-determination. But at what cost?

A newly discovered comet, called C/2025 F2 (SWAN), may have disintegrated. But the remnants are still visible.

These days the vast majority of comets are discovered by arrays of robotic survey telescopes, such as PANSTARRS and ATLAS. Comet F2 was discovered using a combination of the two. Numerous comet ...

Comet ATLAS C/2024 G3 fell apart in January after a rare very close approach to the Sun. The SWAN comet has gotten brighter since its discovery, according to The Planetary Society. The catch is ...

Comet ATLAS C/2024 G3 fell apart in January after a rare very close approach to the Sun. The SWAN comet has gotten brighter since its discovery, according to The Planetary Society. The catch is that ...

The comet was first spotted by an amateur astronomer looking through SOHO spacecraft data. The newly discovered comet is already putting on a show for amateur astronomers with telescopes at the ready.

Why do comets and their meteoroid streams weave in and out of Earth's orbit and their orbits disperse over time? Researchers show that this is not due to the random pull of the planets, but rather the ...

A recently discovered comet is currently gracing our morning skies, with its signature green glow and long tail trailing behind. Comet SWAN25F is speeding toward the Sun for a dangerously close ...

Keep an eye on the sky this weekend … you might see a comet. A newly discovered comet, nicknamed SWAN25F, will be visible in Maryland this weekend before sunrise, according to the Planetary Society.