Scientists have recently unveiled a remarkable discovery in the outer reaches of our solar system: a space fossil located 4 ...

Scientists detect heavy water in a planet-forming disk for the first time, revealing ancient cosmic origins. Read the full ...

Two comets, C/2025 A4 (Lemmon) and C/2025 R2 (SWAN), are about to reach their closest approach to Earth and you can watch the ...

After a year devoid of comets visible to the naked eye, two of the celestial entities — C/2025 A4 (Lemmon) and C/2025 R2 ...

Two bright green comets are streaming through the skies and are visible to skygazers in the Northern Hemisphere ...

The comet-like object Chiron has been caught in the process of forming new rings, which could help us understand how these ...

Analyses of its emissions using NASA’s Neil Gehrels Swift Observatory indicate that the interstellar comet probably has a ...

A new study led by UNLV scientists sheds light on how planets, including Earth, formed in our galaxy—and why the life and ...

A newly discovered odd radio circle in space could serve as a time capsule for the violent events that shape galaxies.

Solving a lunar mystery? Scientist at the University of Arizona is the lead author on research proposing a new theory for the ...

Chicago-area residents could be treated to a wonderful nighttime display as Comet Lemmon makes its closest approach to Earth in coming days.