On this day in space! Sept. 14, 1966: NASA's Gemini 11 astronauts set altitude record for Earth orbit that went unbroken for 58 years

On Sept. 14, 1966, NASA's Gemini 11 mission set an spaceflight altitude record that lasted for nearly six decades. Here's why the mission mattered.…

Scientists find a hidden cause of high blood pressure that routine tests can miss

A wearable device has revealed nighttime hormone surges that may expose a frequently missed cause of high blood pressure. The discovery could help explain why p…

Cygnus the swan lifts up the International Space Station | Space photo of the day for Sept. 14, 2026

Just a little help from its friends.…

Crocodiles are famous for finding their way home. These ones didn’t

Captive-raised saltwater crocodiles released into Bangladesh’s Sundarbans surprised scientists by settling into the wild rather than trying to return to their b…

Is there a hidden 'Planet 9' in our solar system?

For more than a century, astronomers have been captivated by the idea that an undiscovered planet could be lurking in the furthest reaches of our solar system.…

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Pre-order the Unistellar Envision AR binoculars and learn about the night sky in real-time

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

Popular sweetener byproduct damages DNA in human cells

Sucralose, the artificial sweetener used in Splenda, came under scrutiny after a study found that a related chemical damaged DNA and weakened the gut barrier in…

James Webb Space Telescope and Hubble discover 27 puzzling new objects orbiting the sun far beyond Neptune

The Hubble and James Webb space telescopes discovered some surprising things about 27 new tiny objects far beyond the orbit of Neptune.…

Tiny cell “antennas” may help explain why some babies are born with heart defects

A newly discovered communication system in the microscopic “antennae” of cells may help explain how some congenital heart defects develop. When genetic mutation…

Scientists find how “zombie” cells fuel inflammation as we age

Scientists discovered that aging cells can use malfunctioning mitochondria to unlock inflammatory genes and keep the immune system stuck in a prolonged state of…