Determining the expansion rate of the universe, the "Hubble constant," shapes our understanding of the cosmos, its age, and ...

At first, there seems to be no known direct relationship between the expansion of the universe, the number of the gravitational constant, and the proximity of the infinitely variable genetic codes to ...

Much of the mass in the universe lies not in stars or galaxies, but in the space between them, known as the intergalactic ...

The most powerful cosmic-ray electrons and positrons ever detected slamming into Earth's atmosphere carry energies so high ...

Dark ovals in Jupiter's polar haze, visible only at UV wavelengths, were first noticed 25 years ago, then ignored. A new ...

"This unique lensing configuration allows us to constrain both the Hubble constant and dark energy parameters simultaneously ...

With NASA’s fleet of heliophysics spacecraft, scientists monitor our Sun and investigate its influences throughout the solar ...

The Dark Energy Spectroscopic Instrument uses a telescope in Tucson, Arizona, to create a map of the universe's ...

The James Webb Space Telescope has captured images of galaxies from a time when the Universe was less than a billion years ...

Since the discovery of the acceleration, theorists have calculated that the universe will continue to expand faster and faster — until the cosmos becomes (trillions of years later) utterly cold, dark ...

Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight Center. Credit: NASA's Goddard Space Flight Center Producer & Director ...