Oct 22, 2024 · Astronomers estimate that the universe could contain up to one septillion stars – that’s a one followed by 24 zeros. Our Milky Way alone contains more than 100 billion, …

Jan 12, 2021 · Powerful telescopes on Earth and observatories in space, including many developed and managed by JPL, have peered back in time across colossal distances. They …

Oct 22, 2024 · The youngest stars form in gas-rich arms, while older stars can be found throughout the disk and within the bulge and halo. Both the Milky Way and the Andromeda …

Astronomers have directed NASA’s James Webb Space Telescope to examine the outskirts of our Milky Way galaxy. Scientists call this region the Extreme Outer Galaxy due to its location …

Jan 16, 2025 · The Andromeda Galaxy, our closest galactic neighbor, holds over 1 trillion stars and has been a key to unlocking the secrets of the universe. Thanks to NASA’s Hubble Space …

Nov 20, 2023 · The NIRCam (Near-Infrared Camera) instrument on NASA’s James Webb Space Telescope’s reveals a portion of the Milky Way’s dense core in a new light. An estimated …

Nov 4, 2024 · The Hubble Skymap puts the night sky at your fingertips any time of day. Roam the Milky Way to find a selection of galaxies, stars, nebulae and more, and click for a Hubble’s-eye …

Jan 14, 2025 · A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems, all held together by gravity.

Jan 21, 2025 · NASA's Hubble Space Telescope reveals an ultraviolet view of Jupiter. This NASA/ESA Hubble Space Telescope image features the spiral galaxy NGC 2566, which sits …

16 hours ago · Space telescopes like NASA’s Hubble and Webb have zoomed in on many corners of the universe to show us planets, stars, and galaxies in high resolution. But some questions …

5 days ago · Astronomers will use the mission to gather data on more than 450 million galaxies, as well as more than 100 million stars in our own Milky Way galaxy. The space observatory …

Jul 10, 2023 · This video, a scientific visualization of the galaxies captured as a part of the CEERS (Cosmic Evolution Early Release Science) Survey, showcases a large undertaking by NASA’s …

Oct 22, 2024 · Scientists call a star that is fusing hydrogen to helium in its core a main sequence star. Main sequence stars make up around 90% of the universe’s stellar population. They …

Nov 8, 2017 · Using infrared images from NASA’s Spitzer Space Telescope, scientists have discovered that the Milky Way’s elegant spiral structure is dominated by just two arms …

Jan 19, 2022 · A galaxy is a huge collection of gas, dust, and billions of stars all held together by gravity. All galaxies are made up of these same things. However, they come in many different …

5 days ago · Agency experts will preview NASA’s SPHEREx mission, which seeks to improve understanding of how the universe evolved and search for key ingredients for life in our galaxy.

Explore the night sky with NASA's interactive star map and discover constellations, planets, and more.

4 days ago · Galaxies are vast cosmic islands of stars, gas, dust, and dark matter held together by gravity. Hubble’s keen eye has revealed intricate details of the shapes, structures, and …

13 hours ago · SPHEREx is slated to launch Feb. 27 on a SpaceX rocket. It is meant to map the entire night sky in infrared — something even the JWST can't exactly do.