Comets

The observations have revealed the composition of a virtual treasure chest of ices from the early universe.

Perfect timing for a conjunction with a star cluster.

First-ever system detected outside our Solar System.

The comet is more than twice the width of Rhode Island.

Comet properties substantially evolve at solar distances much larger than previously considered.

The remnants of Comet are presently in the morning sky as seen from Earth’s Southern Hemisphere.

The team solved this mystery with the help of a vacuum chamber, many lasers, and one powerful cosmic reaction.

It is the most distant comet to be discovered on its incoming path.

Estimated to be 100–200 kilometers across, the unusual wandering body will make its closest approach to the Sun in 2031.

A new study by a Belgian team using data from the European Southern Observatory’s Very Large Telescope (ESO’s VLT) has shown that iron and...

New observations with the European Southern Observatory’s Very Large Telescope (ESO’s VLT) indicate that the rogue comet 2I/Borisov, which is only the second and...

As Chile and Argentina witnessed the total solar eclipse on Dec. 14, 2020, unbeknownst to skywatchers, a little tiny speck was flying past the Sun.