JWST peeks at ancient galaxies through a cosmic house of mirrors
JWST’s new image of cluster MACS J0454.1‑0300 uses gravitational lensing to reveal galaxies from 800 Myr after the Big Bang, far beyond Hubble’s view.
cossmicbear
All articles
CosmicBear — a science and technology website covering space, astronomy, scientific discoveries, research, and fascinating facts about our universe and the world around us.
SMILE’s First Science Data: How a Joint European‑Chinese Mission Will Track Solar‑Wind Impacts on Earth
SMILE begins science operations, deploying X‑ray, UV, magnetometer and ion instruments to study how solar wind shapes Earth’s magnetic environment.
Mars Welcomes 2026: The 38th Martian Year Begins
On 30 September 2026 Mars starts its 38th year, marking a new Martian calendar milestone and its implications for exploration.
ESA Demonstrates Interoperable Rendezvous and Docking for In‑Space Logistics
ESA’s latest lab tests show how satellites can meet, dock and refuel using standardized interfaces, a step toward reusable space infrastructure.
MIRROR robot demonstrates the path to building structures in space
ESA's MARIO robot shows how multi‑arm robots could assemble large antennas, solar arrays and platforms in orbit, piece by piece.
BepiColombo Reaches Mercury: How You Can Celebrate the Arrival
BepiColombo’s Mercury arrival is here – learn the mission’s journey, the science stakes, and how to win a trip to ESA’s celebration.
ESA’s Industry Space Days 2026 Sets Record Attendance, What It Means for Europe’s Space Sector
ESA’s Industry Space Days 2026 attracted a record 3,100 participants. Learn how the surge in attendance impacts European space companies, especially SMEs.
Laser‑Powered Graphene Aerogel Thrusters: First Tests in Microgravity
Parabolic‑flight tests show graphene aerogel cubes propelled by lasers in microgravity, hinting at a new method for satellite and solar‑sail maneuvering.
JUICE’s September 2026 Earth Flyby: A Free Boost Toward Jupiter
ESA’s JUICE will swing past Earth on Sep 28, 2026, gaining 3.5 km/s and a 20° turn, a key step toward Jupiter in 2031.
Webb’s Infrared View Reveals New Details in the Lion Nebula
Webb’s infrared images of the Lion Nebula expose dust clumps and gas shells, updating Hubble’s view and showing planetary nebula evolution.