Because the period of an object does not depend on its mass, comets’ orbital periods remain unchanged due to mass loss.

The Keeble Observatory at Randolph-Macon College will resume public viewing after the holidays when students return to campus ...

Saturn’s rings, imaged here by NASA’s Cassini orbiter, are one of the solar system’s most reliably spectacular sights. But ...

NASA astronaut Don Pettit has shared an incredible photo of Blue Origin's New Glenn rocket during its maiden launch last week ...

Sidus Space (NASDAQ: SIDU), an innovative and agile space mission enabler, today announced the appointment of Adarsh Parekh ...

New research has revealed that Hot Jupiters do not always push away or destroy nearby planets during their migration. This ...

NASA astronauts Sunita "Suni" Williams and Barry "Butch" Wilmore surely didn't think they'd still be on the International ...

Comet ATLAS (C/2024 G3) came three times closer to the sun than Mercury on January 13—and this may have changed it ...

The James Webb Space Telescope has revolutionized astronomy in just three years. A new project celebrates its impact on the ...

For the past week, an uncrewed lunar lander has been journeying through outer space on a 60-day mission to the moon on behalf ...