Interstellar comet 3I/ATLAS makes its closest approach to Earth on Dec. 19. Here's how you can track its progress both during ...

NASA's Hubble Space Telescope has gotten a rare peek at the aftermath of two cosmic collisions — and helped scientists solve ...

The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will in a matter of days come as close to our planet ...

Then, on November 25, teams at NASA’s Goddard Space Flight Center in Greenbelt, Maryland, joined the inner and outer portions ...

On December 19, avid skywatchers can catch a glimpse of the mysterious visitor through powerful binoculars or a telescope ...

NASA's Nancy Grace Roman Space Telescope team has released detailed plans for a major survey that will reveal our home galaxy ...

NASA’s Roman Space Telescope will map the Milky Way using infrared observations, studying star formation, stellar evolution, star clusters, and hidden galactic structures over a two-year survey.

The night sky is often a canvas of predictable beauty, but every so often, a celestial wanderer arrives to remind us of the ...

A bus-size asteroid is on course to skim past our planet, a reminder that Earth moves through a shooting gallery of rocks and ...

The Atacama Cosmology Telescope in Chile has released its final batch of data after 15 years — and it proves that the Hubble ...