This 7-hour cosmic explosion is the longest gamma-ray burst ever seen. Could it be from an elusive class of black hole?
“This is certainly an outburst unlike any other we’ve seen in the past 50 years.”
The Longest GRB Ever Detected Is An Intriguing Puzzle
In July 2025, telescopes detected a gamma-ray burst (GRB) that lasted seven hours. Most GRBs last only milliseconds, or a few minutes. Only a handful have lasted longer than that,…
Chinese astronauts inspect debris-damaged Shenzhou-20 spacecraft during spacewalk
Two Shenzhou-21 astronauts embarked on the mission’s first spacewalk late Monday, inspecting and photographing a damaged spacecraft window which triggered an earlier emergency launch. The post Chinese astronauts inspect debris-damaged…
Chinese astronauts inspect damaged Shenzhou 20 spacecraft during 8-hour spacewalk (video)
Two Chinese astronauts installed more debris shielding on the Tiangong space station and assessed the damage to the attached Shenzhou 20 spacecraft during a spacewalk on Tuesday (Dec. 9).
Sprites Over Château de Beynac
Nicolas Escurat A flash of lightning, and then—something else. High above a storm, a crimson figure blinks in and out of existence. If you see it, you are a lucky…
Canada picks Telesat and MDA to study Arctic military communications constellation
Canada has contracted satellite operator Telesat and manufacturer MDA Space to explore options for a multibillion-dollar military communications network to support the Canadian Armed Forces in the Arctic. The post…
January full moon 2026: When, where and how to see the Wolf Moon
Your guide to January’s full Wolf Moon, from peak times to skywatching highlights.
New NASA Sensor Goes Hunting for Critical Minerals
A pilot signals to a crew member before takeoff from NASA’s Armstrong Flight Research Center in Edwards, California, on Aug. 21, 2025. Accompanying him in the high-flying ER-2 aircraft is…
SCHOTT launches high-performance cover glass for next-generation space solar cells
– SCHOTT® Solar Glass exos provides enhanced radiation resistance and optical performance for simple silicon cells up to III-V multijunction satellite solar cells.– Jointly developed with Heilbronn-based AZUR SPACE Solar…
What Do Super Jupiters Look Like?
Super-Jupiters have masses a dozen times that of Jupiter, but they are often illustrated as having a very Jupiter-like appearance. A new study finds that the classic banded-cloud look of…