Space & Physics

The National Reconnaissance Office has now declassified a satellite program used to spy on America’s adversaries

The six-year results from the Dark Energy Survey highlight unresolved tensions in standard cosmological theory

After evacuating four astronauts from the ISS last month, NASA is looking ahead to its next crewed mission to the space station

Astronomers have traced the origin point of a jet of material that is thousands of light-years long emanating from the supermassive black hole M87*

An exoplanet called HD 137010 b might be the closest thing astronomers have ever seen to “Earth 2.0.” The trouble is that it’s only been seen once—and may never be glimpsed again

Synchrotron radiation has revealed a star map made by the ancient astronomer Hipparchus that was thought to be lost to time

The venerable Hubble observatory is going strong despite its decades in space and the advent of next-generation successors

SpaceX and xAI could join forces ahead of Elon Musk’s plan to take the former public later this year, according to Reuters

The story of a woman whose discoveries in materials science quietly shape our everyday world but whose legacy was long eclipsed by the famous scientist she worked with at the General Electric Company

The galaxy MoM-z14 could offer clues to what the universe looked like in its early infancy

A century ago, Erwin Schrödinger came up with an equation that says how the quantum world behaves. Now scientists are asking what happens when the observer is part of that world

Many of the team behind NASA’s Artemis II mission were children 40 years ago, when the space shuttle Challenger disaster reshaped spaceflight