SUNSET: 
Light Pollution Is Increasingly Variable Around the World
Scientists have unveiled a new dynamic view of our world at night, showing for the first time a night-by-night view of changes in light pollution.
Explore the Worlds of Project Hail Mary
When Andy Weir published Project Hail Mary, he based his novel on two worlds. We explore these planet candidates — and why they probably don’t exist.
SpaceX Aims to Launch Up to 1 Million AI Data Center Satellites
Experts are concerned that the satellites could ruin dark skies, pollute the atmosphere, and worsen space debris. The public has a limited time to comment.
Rocket Reentry Leaves Lithium in Earth's Upper Atmosphere
Space debris are contaminating our atmosphere at very high altitudes – and we don't yet understand the effects.
Chilean Observatories Saved from Industrial Megaproject
The proposed installation — less than 10 miles from Paranal Observatory — sparked international concern. Now it’s canceled.
Maya 260-day Calendar Provides Key to Solar Eclipse Predictions
A new study has found that the 260-day ritual calendar is the key to understanding how the Maya predicted solar eclipses.
NASA Faces Government Shutdown, Funding Fears Rise
While civil servants are furloughed or working without pay, funding for NASA remains uncertain.
Environmental Exclusions Proposed for U.S. Satellite Industry
In a move that’s concerning astronomers and environmental groups alike, the Federal Communications Commission (FCC) has proposed reducing environmental oversight of space-based operations.
Attending This Year's Season of Star Parties
S&T editors attended star parties in the past months in various locations around the country to observe with fellow stargazers.
A New Kind of Satellite Could Damage Your Eyes
Reflect Orbital plans to launch gigantic satellites to reflect sunlight into regions where night has already fallen, potentially harming eyes, altering sleep, and blocking the starry sky.
60-Second Astro News: Light Pollution, Birds, and Zambuto Mirrors
In this roundup of recent news, birds react to light pollution and a respected mirror maker calls it a day.
Satellite Constellations Are Too Bright for Astronomy
The International Astronomical Union has recommended brightness limits for satellites, but companies aren't abiding by them.
Light Pollution: What Is Brightening Our Night Skies?
Walking through neighborhoods, volunteers identified sources of light pollution —surprisingly, streetlights weren’t the main culprit.
Amid U.S. Science Funding Cuts, Europe Seeks Top American Talent
European nations and universities have pledged more than $850 million for international scientists.
New U.S. Coin Honors Astronomer Vera Rubin
The U.S. Mint has issued a quarter-dollar coin celebrating the life and work of the co-discoverer of dark matter in galaxies.
Proposed NASA Budget Would Gut Space Science, Jobs
With more than 40 missions on the chopping block, the space community is holding on to hope that the budget is “dead on arrival” in Congress
41,000 Years Ago, Auroras Appeared Across the Globe
A weakened geomagnetic field left Earth almost defenseless against harmful cosmic radiation 41,000 years ago, but that didn’t stop humans from thriving.
Tariffs Alarm the Amateur Astronomy Industry
Lenses, electronics, and many other telescope parts are made in Asia, putting even U.S.-based manufacturers in a bind.
Webb Telescope Has Weighed in on Impact Odds for Asteroid 2024 YR4 (Updated)
So far, searches for archival images that could confirm or rule out the asteroid's impact have come up dry, but Webb observations in May could help pin down the orbit.
Space Industry Adds Threats to Astronomy, Light Pollution Remains a Big Problem
Multiple effects from ever-increasing satellite launches could impact future observations; the biggest threat to astronomy, though, is still coming from the ground.
