FreeSky Cosmos

Gaze upon the breathtaking beauty of the irregular galaxy Arp 263, captured in unprecedented detail by the James Webb Space Telescope. This mesmerizing view reveals a vibrant tapestry of star-forming regions and countless individual stars, located 25 million light-years away.

The James Webb Space Telescope captured amazing imagery of merging galaxies II ZW 96. The merger is located 500 million light-years from Earth in the constellation Delphinus. Credit: ESA/Webb, NASA, CSA, L. Armus, A. Evans, SDSS, E. Slawik, N. Risinger, M. Zamani (ESA/Webb), N. Bartmann (ESA/Webb) |

APOD Science APOD APOD: 2026 September 19 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss APOD Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation writ

The Perseverance Mars rover's Mastcam-Z camera the Martian moon Phobos transit the Sun. See real-time and time-lapsed views here. Credit: Space.com | NASA/JPL-Caltech/ASU/MSSS/SSI | edited by Steve Spaleta Music: No 19 In C Major KV 465 II by Andante Cantabile - Traditional / courtesy of Epidemic So

Using data from the Japan-led XRISM (X-ray Imaging and Spectroscopy Mission) observatory, astronomers have directly observed a giant star’s outflow, called a stellar wind, being captured by its compact companion and providing the power source for strong X-ray flares. The research is part of NASA’s e

UC Berkeley engineers and managers watch as the COSI (Compton Spectrometer and Imager) detector assembly is slowly raised from a table in this July 8, 2026, image. The four pieces of silver material on the top of the detector box cover the flex circuits, which carry signals from the detectors to the

Though the spiral galaxy in this new image from the NASA/ESA Hubble Space Telescope seems serene, it hides a chaotic secret. This galaxy is NGC 4698, and it lies about 55 million light-years away in the constellation Virgo. It’s one of over a thousand galaxies in the Virgo Cluster, the nearest large

James Webb Space Telescope and the W.M. Keck Observatory captured new images of Saturn's moon Titan. Credit: NASA/STScI/W. M. Keck Observatory/Judy Schmidt | edited by Space.com's Steve Spaleta

NASA Goddard Space Flight Center's Dr. Jennifer Wiseman explains the Hubble Space Telescope's view of the Pillars of Creation, located in the Eagle Nebula. Credit: NASA's Goddard Space Flight Center Producer, Director & Editor: James Leigh Director of Photography: James Ball Executive Producers: Jam

The NASA/ESA/CSA James Webb Space Telescope has captured views of the Sagittarius B2 (Sgr B2) molecular cloud with its NIRCam and MIRI instruments. Credit: NASA, ESA, CSA, STScI, A. Ginsburg (University of Florida), N. Budaiev (University of Florida), T. Yoo (University of Florida), A. Pagan (STScI)

APOD Science APOD APOD: 2026 September 18 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss APOD Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation writ

NASA’s James Webb Space Telescope’s NIRCam (Near-Infrared Camera) has captured a stunning view of supernova remnant Cassiopeia A (Cas A). Credit: Space.com | footage courtesy: NASA, ESA, CSA, STScI, Danny Milisavljevic: Princeton University, Ilse De Looze (UGent), Tea Temim: Princeton University | e

Embark on a breathtaking journey through the cosmos. This stunning video zooms into a vibrant nebula, revealing a celestial landscape of brilliant stars and colorful gas clouds, all set to a serene acoustic guitar soundtrack.

Watch how JW Telescope detects temperature on Trappist 1 b. Credit: Space.com | animation courtesy: ESO/L. Calçada / Space Engine/NASA/GSFC | edited by Space.com's Steve Spaleta Music: Stay in Orbit by Victor Lundberg / courtesy of Epidemic Sound

APOD Science APOD APOD: 2026 September 17 – A… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss APOD Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation wr

Galaxy merger Arp-Madore 417-391 is on display in this new image captured by the Hubble Space Telescope's Advanced Camera for Surveys (ACS). The merger is about 670 million light-years away from Earth. Credit: ESA/Hubble & NASA, Dark Energy Survey/DOE/FNAL/DECam/CTIO/NOIRLab/NSF/AURA, J. Dalcanton

Spend 8 minutes with an image that has changed astronomy forever - the first-ever deep field view of galaxy cluster SMACS 0723 from the James Webb Space Telescope. Credit: NASA, ESA, CSA, and STScI | mash mix: Space.com Music: Shelter from the Storm by Amaranth Cove / courtesy of Epidemic Sound

Osama Fathi captured this breathtaking view of Perseids cutting through star trails from Egypt's Western Desert on Aug. 13-14.

The newly discovered Type Ia supernova SN 2026aaiv in NGC 7331 offers amateur astronomers and astrophotographers a rare opportunity to observe and image an exploding star before it fades.

September's new moon opens a dark window for seeing zodiacal light, the ghostly cone of interplanetary dust that rises above the eastern horizon before dawn.

Unistellar's long awaited augmented reality Envision smart binoculars are available to pre-order for $1499, with guaranteed delivery before Christmas.

"Every one of these objects we study helps us understand a little more about how planets form around other stars."

NASA and IBM have developed an AI model to help sift through the mountains of data the agency has gathered about the moon.