A 3D map of planet WASP-18b reveals extreme heat zones and broken water vapor in its atmosphere for the first time.

Comet Lemmon, which gave us a great show in October, is slowly fading and dropping lower in the southwestern sky. When the ...

Stars and planets are lining up for the change of seasons during the Northern Hemisphere's autumnal equinox this year.

Terrence Tysall set a record scuba diving to the Edmund Fitzgerald. Ric Mixter dove in a submersible, finding a missing body. Here are their stories.

An interstellar comet that originated outside our solar system just made its closest pass of the sun, setting it on an outgoing path — but it’s not leaving our cosmic ...

A new study reveals that Saturn’s moon Titan hosts bizarre chemistry where water-like and oil-like molecules can mix, hinting at alien chemical processes.

Six South Florida restaurants were ordered shut last week after state inspectors uncovered alarming sanitary violations, ...