A partial solar eclipse is seen as the sun rises behind the U.S. Capitol building on June 10, 2021. Bill Ingalls/NASA/Getty Images hide caption
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This multi-wavelength image from NASA shows a universe full of galaxies that are various shapes, colors and sizes. Most are small while a handful are somewhat larger. A few stars are also scattered across the image. NASA/ESA/CSA/A. Pagan (STScI)/R. Jansen (ASU)/NASA hide caption
Dark energy is weakening and the universe could (eventually) collapse, study says
This chart of the night sky from NASA shows Mars, Jupiter, Saturn, and Venus in a "planet parade" in January 2025. NASA/JPL-Caltech/NASA.gov hide caption
This artist's concept shows Sagittarius A*, a supermassive black hole at the center of the Milky Way galaxy, surrounded by a swirling accretion disk of hot gas. Flaring hot spots that resemble solar flares are seen in the disk.
NASA, ESA, CSA, Ralf Crawford (STScI)/NASA.gov
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A ring of light surrounding the center of NGC 6505, a nearby galaxy, is captured by the European Space Agency's Euclid telescope. ESA/Euclid/Euclid Consortium/NASA, image processing by J.-C. Cuillandre, G. Anselmi, T. Li/European Space Agency hide caption
Space telescope finds rare ‘Einstein Ring’ of light in nearby galaxy
Fragments of a meteorite that hit a home on Prince Edward Island, Canada, in July 2024. University of Alberta Meteorite Collection hide caption
Astronomy professors across the country are integrating climate change lessons into one of their most wide-reaching and popular courses: Introduction to Astronomy. Mark Garlick/Science Photo Library/Getty Images hide caption
Why Astronomy 101 is 'perfect' for teaching climate change
A Perseid meteor streaks across the sky above desert pine trees on Aug. 13, 2015, in the Spring Mountains National Recreation Area in Nevada. Ethan Miller/Getty Images hide caption
To celebrate the 25th anniversary of the launch of the Chandra X-ray Observatory, the mission released 25 views of cosmic objects ranging from supernova remnants to galaxy clusters and more. NASA/SAO/CXC hide caption
A Leonid fireball is shown during the storm of 1966 in the sky above Wrightwood, Calif. NASA/Getty Images hide caption
COMIC: Our sun was born with thousands of other stars. Where did they all go?
For the first time, we're seeing the Sagittarius A* black hole in polarized light. The Event Horizon Telescope collaboration says the image offers a new look at "the magnetic field around the shadow of the black hole" at the center of the Milky Way. EHT Collaboration hide caption
This close-up of the Verona astrolabe shows Arabic and Hebrew markings. Federica Gigante hide caption
This medieval astrolabe has both Arabic and Hebrew markings. Here's what it means
Eclipse gazers enjoying totality on August 21, 2017, in Isle of Palms, S.C. Eclipse experts say partial eclipses aren't nearly as dramatic. Pete Marovich/Getty Images hide caption
For April's eclipse, going from 'meh' to 'OMG' might mean just driving across town
On Yalda night, the Iranian winter solstice tradition, observers gather with family and read classic poetry aloud to greet the returning sun. Jasmin Merdan/Getty Images hide caption
An artist's impression of an aging star swelling up and beginning to engulf a planet, much like the Sun will do in about 5 billion years. K. Miller/R. Hurt (Caltech/IPAC) hide caption
This star ate its own planet. Earth may share the same fate
Researchers used computer simulations of black holes and machine learning to generate a revised version (right) of the famous first image of a black hole that was released back in 2019 (left). Medeiros et al 2023 hide caption
This imagery from NASA's Hubble Space Telescope shows the debris blasted from the surface of Dimorphos 285 hours after NASA's DART spacecraft smashed into the asteroid's surface. NASA/ESA/STScI/Hubble hide caption
Astronomers still have their eyes on that asteroid NASA whacked
This composite was made with images from NASA's Juno mission and shows the shadow on Jupiter cast by Io, one of its many moons. NASA/JPL-Caltech/SwRI/MSSS/Kevin M. Gill hide caption
Here's why Jupiter's tally of moons keeps going up and up
Clouds of material funnel into a growing protostar, photographed in near-infrared light by the James Webb Space Telescope Observatory. NASA, ESA, CSA, STScI hide caption
Who gets the first peek at the secrets of the universe?
Jupiter's moon Io, seen here in the infrared spectrum, courses with volcanic activity. Scientists are learning how the push and pull of gravity heats up this moon. NASA/Getty Images hide caption
From a green comet to cancer-sniffing ants, we break down the science headlines
The University of Arizona shared an image, pictured, of a formation on Mars that resembles a bear. NASA/JPL-Caltech/UArizona hide caption
The small red dot highlighted inside the white box on this James Webb Space Telescope image is an early galaxy, seen as it looked just 350 million years after the Big Bang. STScI/NASA hide caption
Miss Jocelyn Bell, 1968. A photograph of Jocelyn Bell Burnell (born 1943) at the Mullard Radio Astronomy Observatory at Cambridge University, taken for the Daily Herald newspaper in 1968. Daily Herald Archive/National Science & Media Museum/SSPL via Getty Images hide caption