In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...

Euclid telescope has located a rare hoop of light called an "Einstein ring" in a nearby elliptical galaxy. Though the galaxy has been on humans' radar for 140 years, its halo is new—and it has a lot ...

Henrietta Swan Leavitt, an astronomer ahead of her time, discovered the relationship between a star’s brightness and its fluctuation period. This breakthrough allowed Edwin Hubble to measure galaxy ...

“We [will be able to] move quickly and map out very large areas of the sky,” adds Josh Schlieder, the telescope’s wide-field ...

During his second week in office, President Donald Trump signed an executive order to revive plans to build a “National ...

Rice’s Naomi Halas is the recipient of the 2025 Benjamin Franklin Medal in chemistry, awarded “for the creation and development of nanoshells — metal-coated nanoscale particles that can capture light ...

In the 1920s, astronomers thought that the Milky Way was the entire universe. Hubble's discovery revealed a much bigger ...

Dark energy is still a mystery, but powerful new telescopes are set to uncover clues. With NASA and ESA leading the charge, ...

Manchester United legend Edwin van der Sar has expressed his excitement ahead of watching his former two sides play against each other in the Premier League. "Today I will be at Craven Cottage to ...

“It’s another mystery of the universe that I’d like to explore,” said Tarraneh Eftekhari, a NASA Hubble Einstein Fellow and researcher. “It was really, really surprising and also ...