It had no bright dust tail, like most comets, and had a peculiar shape – something between a cigar and a pancake. But the object also had a weird orbit: It accelerated away from the sun in a ...

You have just a few weeks left to view the "comet of the century" making its 80,000-year orbit around Earth. Comet C/2023 A3 Tsuchinshan–ATLAS will be visible with the naked eye from Earth until ...

But ‘Oumuamua was much smaller than your typical comet, at just over 100 meters across, and when it was first observed, it didn’t have a tail and didn’t seem to be ejecting water.

The devil comet may have been millions of miles away at its closest pass-by of Earth, but it and other comets can orbit close to our planet for a reason. First, it's helpful to understand where ...

You have just a few weeks left to view the "comet of the century" making its 80,000-year orbit around Earth. Comet C/2023 A3 Tsuchinshan–ATLAS will be visible with the naked eye from Earth until ...

Astronomers initially assumed it wouldn’t survive its orbit close to the sun, but later observations suggested that the comet is taking a different path that will allow it to survive and perhaps ...

This most famous of all comets travels around the sun in a flattened elliptical orbit that brings it near to the sun and then takes it far out to beyond the outer limits of the solar system.

You have just a few weeks left to view the "comet of the century" making its 80,000-year orbit around Earth. Comet C/2023 A3 Tsuchinshan–ATLAS will be visible with the naked eye from Earth until ...