When a new comet appears in the sky, there is often excitement. But things don’t always end well for the ancient celestial objects, made of ice, frozen gases and rock, as they near the sun ...

Discovering a new comet The SWAN instrument wasn’t designed to pick out comets in the night sky, but it has contributed to the discovery of 16 comets to date, Zang said.

This faint comet requires a large scope, but its proximity to a 5th-magnitude star in Corona Borealis will help you find it.

Comet 46P/Wirtanen will be the 10th-closest comet to Earth in modern times and should be visible to the naked eye.

A rare green comet is expected to pass by Earth this week and will be visible in the night sky for nearly a month, according to NASA.

Discovering a new comet The SWAN instrument wasn’t designed to pick out comets in the night sky, but it has contributed to the discovery of 16 comets to date, Zang said.

Discovering a new comet The SWAN instrument wasn’t designed to pick out comets in the night sky, but it has contributed to the discovery of 16 comets to date, Zang said.

Discovering a new comet The SWAN instrument wasn’t designed to pick out comets in the night sky, but it has contributed to the discovery of 16 comets to date, Zang said.

When a new comet appears in the sky, there is often excitement. But things don’t always end well for the ancient celestial objects, made of ice, frozen gases and rock, as they near the sun ...