A once-in-80,000-year sight will make its closest approach to Earth this weekend before heading into the vast abyss of outer ...

This is not unusual behavior for a comet, but it can be a sign of nucleus fragmentation – where the main body, or nucleus, of a comet starts to break apart. This probably happens because of what they ...

A newly observed interstellar comet is the most pristine visitor from outer space ever seen in our Solar System, according to a pair of studies released Tuesday detailing its unique characteristics.

The Comet Tsuchinshan ... and saw the dust trail edge-on,” creating a rare alignment that allowed for a detailed, ...

Comets hail from the very cold outer reaches ... when Comet C/2019 Y4 shattered to smithereens when it drew near the Sun under the watchful eye of the Hubble Space Telescope.

The European Space Agency is ... It's called Comet Interceptor and will aim to catch and study an object that has come in towards the Sun from the outer reaches of the Solar System.

A once-in-80,000-year sight will make its closest approach to Earth this weekend before heading into the vast abyss of outer space. Comet C/2023 A3 Tsuchinshan-Atlas made its closest approach to the ...

Prepare to spot a rare, bright comet. The space rock is slinging toward Earth from the outer reaches of the solar system and will make its closest pass on Saturday. It should be visible through ...