A long-simmering disagreement over the universe’s present-day expansion rate shows no signs of resolution, leaving experts ...

NASA's SPHEREx observatory has started capturing its initial images, paving the way for a comprehensive study of millions of ...

That’s the problem: models are just thoughtful approximations of reality, yet they easily inspire high confidence levels — ...

The Webb telescope — a scientific collaboration between NASA, ESA, and the Canadian Space Agency — is designed to peer into ...

We were looking for poetry that had struck its readers, for whatever reasons, as unforgettable, enduring, and influential: ...

Vivian Poulin asks if the tension between a direct measurement of the Hubble constant and constraints from the early universe ...

The Large UV/Optical/IR Surveyor (LUVOIR) telescope has been imagined as a habitable planet hunter, but it could be so much ...

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NASA’s James Webb Space Telescope unveiled a stunning new image from the farthest reaches of space. This groundbreaking image ...

Launched in 2021 as the successor to the Hubble Space Telescope, Webb observed the scene in the infrared ... effort to make ...

The Science Museum in London is closing its almost 40-year-old 'Exploring Space' gallery to establish a new 'Space' gallery ...

Scientists have taken the clearest-ever images of the universe when it was just 380,000 years old—essentially a baby picture ...