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

The Hubble Space Telescope captured an image of a star and a spiral galaxy, both in the constellation Virgo. But the photo is ...

The Small Magellanic Cloud, a dwarf galaxy about 200,000 light-years from the solar system, can be seen with the naked eye ...

Saturn is below Venus and very low in the predawn sky. In late April it is five degrees above the horizon. You may need ...

New images of the infant universe captured by the Atacama Cosmology Telescope (ACT) are the most precise "baby pictures" to ...

The Webb Space Telescope has captured a plume of gas and dust streaming from a star in the making, with a spiral galaxy as a ...

The finest ever map of the cosmic microwave background - the faint evidence of the universe's early form - has yielded ...

A striking new image from the James Webb Space Telescope shows a rare object called an Einstein ring. This shows what appears to be a ring-shaped object in the sky, but is actually created by two ...

This NASA/ESA Hubble Space Telescope image of a vibrant spiral ... The elongated yellow-orange objects scattered around the image are background galaxies far more distant than NGC 5042.

The inner bodies are too close together to be resolved by the Hubble Space Telescope ... with the Milky Way in the background. The bright red star Antares appears at the top center.

This NASA/ESA Hubble Space Telescope image features part of the Small Magellanic Cloud. (Image credit: ESA/Hubble & NASA, C. Murray) What it is: The Small Magellanic Cloud, a nearby dwarf galaxy ...

Launched in 2021 as the successor to the Hubble Space Telescope ... But it was too fuzzy to make out the background galaxy and other details. Webb is the largest and most powerful observatory ...