Could our solar system have been temporarily exposed to an enhanced flux of cosmic-rays at some point in the ancient past?

As civilizations advance, they may need to migrate across the galaxy, and some researchers speculate they could use their own stars as massive engines. New research explores the possibility of a ...

"Our Sun (Sol) is marked by a black hexagon, and its orbital path is indicated by a grey solid line (top row only). Alpha ...

Oumuamua and Comet Borisov in 2017 and 2019, respectively, created a surge of interest. What were they? Where did they come ...

"These two supernova remnants are helping us to better understand the dynamics of our home galaxy’s neighborhood," ...

What’s more, Webb used its Near Infrared Camera (NIRCam) instrument to observe glowing interstellar gas and dust illuminated ...

Matteo Luisi, assistant professor of physics and director of the planetarium and observatory at Westminster College, has been ...

Ohio State astronomy professor Adam Leroy is the 2025 recipient of the Henry Draper Medal. The Henry Draper Medal, established in 1886, is awarded every four years to a researcher or pair of ...

Most people hear “spacecraft” and envision rockets blasting into space, but they’re often not aware of the meticulous ...

Part of its purpose is to gather information about what makes up the gas and dust between star systems — what’s known as the “interstellar medium.” Ten instruments will work together while the craft ...

Helium can help scientists detect the speed and direction at which we’re moving through space. Deuterium, which is left over from the Big Bang, can provide insight on the age of the universe. Oxygen ...