NASA has arrived at two ways of returning samples collected on Mars to Earth. Now, the agency will test the options to see if ...

On New Year’s Day, 1925 attendees at an astronomical conference heard one of the most influential scientific presentations of ...

From missing links, to primordial beginnings, to extremely powerful plasma jets that could be shaping our universe in ...

The Quadrantid meteor shower is one of the strongest, and quickest, meteor showers of the year. Here’s what you need to know ...

Each year, humanity makes more discoveries about black holes ... "This makes it the most luminous object in the known universe." This quasar, designated J0529-4351, is so luminous that if placed ...

The telescope will catalogue billions of new objects and produce a new map of the entire night sky every three days with the ...

In 2025, the Rubin Observatory in Chile will start operations and survey the southern sky every four days with a 3.2 gigapixel camera.

In 1925, grad student Cecilia Payne first proposed that stars were mostly made of hydrogen and helium and shaped our ...

The revolutionary James Webb Space Telescope and next-gen radio telescopes are probing what’s known as the epoch of ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A toothy toadstool ...

Space.com was on duty all year to bring you every major development in our understanding of the universe's most fascinating ...