NGC 2566: The galaxy filling the frame in this James Webb Space Telescope image is NGC 2566, a spiral galaxy in the ...

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

Satellites serve many purposes while they orbit above the Earth, but as they do so, how fast do they actually move? The ...

From the lunar landing to the launch of the Hubble Space Telescope, here are some bold space missions in history.

Discovered by Charles Messier in 1764, M20 is a star-forming nebula located 9,000 light-years away from Earth in the constellation Sagittarius. The Orion Nebula (also known as Messier 42 or NGC 1976) ...

The clearest and most precise images yet of the universe’s infancy from the Atacama Cosmology Telescope show the first steps ...

A Swarm of Dwarf Galaxies Buzz Around Our Milky Way's Twin Imagine the Milky Way and Andromeda as two massive aircraft ...

Hubble’s latest image reveals the Small Magellanic Cloud (SMC), a nearby dwarf galaxy visible from Earth without a telescope.

Between 2009 and 2013, astronomers used the European Space Agency’s Planck satellite to analyze this ancient radiation, leading them to estimate the Hubble constant at around 46,200 mph per million ...

The discovery of the dwarf galaxy Andromeda XXXV --located roughly 3 million light-years away and the smallest yet found in the Andromeda system -- is forcing astronomers to rethink how galaxies ...

Jio, which handles more mobile data than any other operator, will use Starlink's satellite network to strengthen its internet services. Listen to Story Jio partners with SpaceX to bring Starlink ...

How is SPHEREx different from Webb, Hubble telescopes? NASA believes SPHEREx could complement the famous Hubble and James Webb space telescopes, which have for years already been studying the ...