Earth Junk.

Earth Is Hit by Space Debris Every Day—Infrasound Sensors Could Help Us Prepare

May 3, 2025
The distribution of dark matter (in blue) is overlayed on an image taken by Hyper Sprime-Cam on the Subaru Telescope. Credit: HyeongHan et al.

A Tear in the Cosmos? The Dark Matter Link That No One Expected

May 3, 2025
This composite view of the active galaxy Markarian 573 combines X-ray data (blue) from NASA's Chandra X-ray Observatory and radio observations (purple) from the Karl G. Jansky Very Large Array in New Mexico with a visible light image (gold) from the Hubble Space Telescope. Markarian 573 is an active galaxy that has two cones of emission streaming away from the supermassive black hole at its center. Credit: X-ray: NASA/CXC/SAO/A.Paggi et al; Optical: NASA/STScI; Radio: NSF/NRAO/VLA

What Happens When a Black Hole Fires a Cosmic Jet at Earth

May 1, 2025
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Group 15, a nearby group viewed 1.5 billion light-years away, shows the mature form of galaxy associations in the present-day universe—observed as they were 12.3 billion years into cosmic time. Credit: ESA/Webb, NASA & CSA, G. Gozaliasl, A. Koekemoer, M. Franco, K. Virolainen.

JWST Uncovers 1,700 Galaxy Groups in Deepest-Ever Cosmic Map

April 30, 2025
A nearby dark molecular cloud in the Local Bubble revealed via H2 fluorescence

Scientists reveal Eos, a massive molecular cloud hidden near Earth

April 29, 2025
A celestial shadow known as the Circinus West molecular cloud creeps across this image taken with the Department of Energy-fabricated 570-megapixel Dark Energy Camera (DECam)—one of the most powerful digital cameras in the world. Within this stellar nursery's opaque boundaries, infant stars ignite from cold, dense gas and dust, while outflows hurtle leftover material into space. Credit: CTIO/NOIRLab/DOE/NSF/AURA Image Processing: T.A. Rector (University of Alaska Anchorage/NSF NOIRLab), D. de Martin & M. Kosari (NSF NOIRLab)

A Celestial Spell: Witness the Birth of Stars in Circinus West

April 28, 2025
A high-energy photonic jet (white and blue) blasts through a collapsar with a black hole at its center. The red space around the jet represents the cocoon where free neutrons may be captured causing the r process, the nucleosynthesis that results in the formation of heavy elements. Credit: Los Alamos National Laboratory

The Universe’s Secret Forge: How Collapsing Stars Could Make Cosmic Gold

April 28, 2025
artistic impression of the proposed Planet Nine in distant orbit of the Sun. (Credit : Tom Ruen)

Decades of Searching May Finally Pay Off: Planet Nine Candidate Found

April 28, 2025
Credit: Pixabay/CC0 Public Domain

Why Black Holes ‘Rang Out of Tune’ — and How We Finally Found the Answer

April 28, 2025
In this illustration, WD 1856 b, a potential Jupiter-size planet, orbits its much smaller host star, a dim white dwarf. Credits: NASA GSFC

Coldest World Discovered! Webb’s Stunning Find Around a Faded Star

April 27, 2025
Orion Molecular Cloud Complex, dominated in the center of this view by the brilliant Flame nebula (NGC 2024). The smaller, glowing cavity falling between the Flame nebula and the Horsehead is called NGC 2023. (Credit : NASA/JPL-Caltech)

Hycean Worlds, DMS, and the New Reality About Signs of Life

April 26, 2025
Pseudo-color image of the ultra-diffuse galaxy FCC 224. Credit: Hubble Space Telescope

FCC 224’s Silent Rebellion: A Galaxy Without Dark Matter Shakes the Universe

April 25, 2025
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