It’s known for its bright and fast-moving shooting stars resulting from Halley’s comet, the most famous comet of all, which ...

Photos show that comet C/2025 F2 (SWAN) experienced a "major eruption," causing it to become temporarily brighter. However, ...

Found in late March, comet SWAN25F has significantly increased in brightness, but it’s not visible to the naked eye. Only ...

Scientists have long questioned whether an early Earth could have contained the appropriate hydrogen and oxygen on its own to ...

A group of comets with unexplained movements presents a quandary D avide Farnocchia hunts down and tracks asteroids, and ...

Water is essential to life, yet its true origin on Earth still stirs debate. Scientists have long wondered whether it came ...

The green-tinted comet is visible now and will gradually brighten as it nears its closest pass to the Earth and the sun on May 1. Sky watchers can see comet SWAN25F on the east-northeast horizon ...

A freshly-identified comet hurling towards the Sun is now bright enough to see from Earth. Dubbed C/2025 F2 (SWAN), the dust-laden streak is nicknamed for the SWAN instrument aboard the European ...

Over 4.6 billion years ago, Earth took shape from a spinning cloud of dust and gas surrounding the young sun. Tiny particles ...

Comet SWAN25F was discovered using photos from the European Space Agency's SOHO spacecraft and can currently be spied using ...

During that 600 million-year window, life may have emerged repeatedly, only to be snuffed out by catastrophic collisions with asteroids and comets. The details of those early events are not well ...