The Roman Space Telescope is one of NASA's next great observatories, designed to explore some of the biggest questions in ...

In the run up to Christmas, carols fill the air. Many have an astronomical twist, singing of the "Christmas Star" from the ...

Greek philosopher Thales of Miletus, often described as the West's first scientist, believed the whole Earth was suspended on ...

NASA has completed assembling the Nancy Grace Roman Telescope, a powerful infrared observatory set to scan vast cosmic regions, raising anticipation about what it may soon uncover about dark energy ...

In 2026, there will be journeys to the moon and Mars, new visions of the cosmos and a solar eclipse that might be worth ...

Ancient thinkers struggled to tell facts from falsehoods just like we do – and their strategies are still relevant today.

One story rose above all the others — new and older telescopes are putting us on the cusp of monumental discoveries about our universe.

NASA's Roman Space Telescope will soon map our Milky Way galaxy in infrared. This mission will reveal billions of stars and hidden galactic structures. The telescope will provide unprecedented views ...

In Part 2 of his story, Benita Albert tells of astronomer Bob Benjamin's career, including teaching and now being a NASA consultant.

A new study questions dark energy's role in the universe's acceleration, suggesting it may be weakening instead.

Astronomers may have discovered the first example of an explosive cosmic event called a "superkilonova," in the form of a gravitational wave signal detected on Aug. 18, 2025.