NASA astronaut and 1st female French spacewalker remove failed ISS antenna but run out of time for replacement
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Every asteroid with a 'neck' that astronomers had ever found had exactly two lobes joined at one narrow waist — until new images of the asteroid Nysa this month revealed a third lobe nobody expected, and nobody yet knows whether it was born whole or built
New images of the asteroid Nysa reveal a surprising third lobe, challenging established astronomical patterns for 'neck-shaped' asteroids.
On this day in space! Aug. 18, 1868: Total solar eclipse leads to discovery of helium
The anniversary of the 1868 total solar eclipse marks the discovery of helium, an element first identified in the Sun before it was found on Earth.
Layered rock in India shows potential signs of microbial life dating to 3.5 billion years ago
Researchers have identified organic chert in India containing potential signs of microbial life dating back 3.5 billion years.
Physicists entangle quantum memories across a record-breaking 420 km
APOD: 2026 August 18
The annual Perseid meteor shower has reached its peak, drawing global crowds and photographers to capture up to 100 shooting stars per hour.
Collapse of Atlantic Currents Could Drive a Surge in Warming
Researchers warn that a collapse of the Atlantic Meridional Overturning Circulation (AMOC) could trigger a surge in global warming.