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

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 ...

Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight ...

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

The Hubble Space Telescope captured an image of NGC 4694, a galaxy that possesses unusual properties that complicate its ...

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

Observations from NASA's Chandra X-ray Observatory and Hubble Space Telescope show how the nebula and the pulsar, formally known as PSR B2224+65, have changed over more than two decades ...

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

Until now. Astronomers used the Hubble Space Telescope to observe FU Ori with the telescope’s COS (Cosmic Origins Spectrograph) and STIS (Space Telescope Imaging Spectrograph) instruments.