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Climate change threatens the Winter Olympics—even snowmaking won’t save it
As Earth’s temperature rises, fewer places will be suitable for hosting the Winter Olympics
‘Daily misery’—why some people can’t burp, and how Botox comes to the rescue
For those with retrograde cricopharyngeus dysfunction, daily life can be miserable, with symptoms such as bloating and chest pain. But a simple Botox injection can help
Explore Mars’s Flaugergues Crater
ESA’s Mars Express takes us on a journey across the southern highlands of Mars, including a flight around Flaugergues Crater.
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Chilled New York City
- Earth
- Earth Observatory
- Image of the Day
- EO Explorer
- Topics
- More Content
- About
Researchers Conduct the Largest Study of Runaway Stars in the Milky Way
Researchers from the Institute of Cosmos Sciences of the University of Barcelona (ICCUB) and the Institute of Space Studies of Catalonia (IEEC), in collaboration with the Institute of Astrophysics of the Canary Islands (IAC), have led the most extensive observational study to date of runaway massive stars, which includes an analysis of the rotation and binarity of these stars in our galaxy.
Is the Universe Older Than We Think? Part 1: The Cosmological Clock
When I say that the universe is 13.77 billion years old, it sounds rather authoritative.
Red Giant Stars Can't Destroy All Gas Giants. Some Are Hardy Survivors
Astronomers haven't found many gas giants orbiting white dwarfs. But is that because they're so difficult to spot? Or is it because their survival rate is so low? New research probes the issue.
Chilean Observatories Saved from Industrial Megaproject
The proposed installation — less than 10 miles from Paranal Observatory — sparked international concern. Now it’s canceled.
The post Chilean Observatories Saved from Industrial Megaproject appeared first on Sky & Telescope.
Dutch air force reads pilots' brainwaves to make training harder
Dutch air force reads pilots' brainwaves to make training harder
The weird rules of temperature get even stranger in the quantum realm
The weird rules of temperature get even stranger in the quantum realm
NASA’s Artemis II moon mission engulfed by debate over its controversial heat shield
Experts have sounded the alarm over NASA’s decision to use a heat shield design for Artemis II that may be riskier than the space agency claims
Hundreds of Bright Streaks Suggest Mercury’s Still Active
An AI search through decades-old spacecraft images reveals that Mercury may still be alive and kicking, geologically speaking.
The post Hundreds of Bright Streaks Suggest Mercury’s Still Active appeared first on Sky & Telescope.
Full Moon over Artemis II
Full Moon over Artemis II
A full moon is seen shining over NASA’s SLS (Space Launch System) and Orion spacecraft, atop the mobile launcher at Launch Pad 39B at NASA’s Kennedy Space Center in Florida in the early hours of February 1, 2026.
The agency concluded a wet dress rehearsal for the agency’s Artemis II test flight early Tuesday morning, successfully loading cryogenic propellant into the SLS (Space Launch System) tanks, sending a team out to the launch pad to closeout Orion, and safely draining the rocket. The wet dress rehearsal was a prelaunch test to fuel the rocket, designed to identify any issues and resolve them before attempting a launch. To allow teams to review data and conduct a second wet dress rehearsal, NASA now will target March as the earliest possible launch opportunity for the flight test.
Read more about the wet dress rehearsal.
Image credit: NASA/Sam Lott
Full Moon over Artemis II
A full moon is seen shining over NASA’s SLS (Space Launch System) and Orion spacecraft, atop the mobile launcher at Launch Pad 39B at NASA’s Kennedy Space Center in Florida in the early hours of February 1, 2026.
The agency concluded a wet dress rehearsal for the agency’s Artemis II test flight early Tuesday morning, successfully loading cryogenic propellant into the SLS (Space Launch System) tanks, sending a team out to the launch pad to closeout Orion, and safely draining the rocket. The wet dress rehearsal was a prelaunch test to fuel the rocket, designed to identify any issues and resolve them before attempting a launch. To allow teams to review data and conduct a second wet dress rehearsal, NASA now will target March as the earliest possible launch opportunity for the flight test.
Read more about the wet dress rehearsal.
Image credit: NASA/Sam Lott