Newly Discovered Moon Around Uranus Was Hiding Outside Its Rings

The 29th moon found to be orbiting the solar system’s 7th planet is about six miles wide.

News
California Supreme Court Requires New Review of Rooftop Solar Policy

The court revived a legal challenge to a 2022 regulation that significantly reduced the compensation utilities paid to owners of home solar systems for the electricity they sent to the grid.

News
Hints of Life on Exoplanet K2-18b Recede Even Further

New observations fail to confirm signs of life in the atmosphere of the distant planet K2-18b. They also raise questions about what it will take to detect biology light-years away.

News
Stars Passing Near the Sun Could Cause Planets to Collide or Be Ejected, Paper Says

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new simulations show.

News
Vera Rubin Telescope Quickly Found 1,200 New Asteroids

The Vera C. Rubin Observatory is expected to find millions of unknown objects in our solar system, and perhaps even a mysterious Planet Nine.

News
Edward Anders, Who Duped Nazis and Illuminated the Cosmos, Dies at 98

His research unraveled mysteries about the solar system and the demise of the dinosaurs. In retirement, he turned his attention to the Holocaust.

News
Traveling the Cosmos With Carter Emmart, One Last Time

For nearly three decades he has created mesmerizing planetarium shows at the American Museum of Natural History. But other galaxies await.

News
Scientists Say They’ve Found a Dwarf Planet Very Far From the Sun

The small world was found during a search for the hypothetical Planet Nine, and astronomers say the next time it will reach its closest point to the sun is in the year 26186.

News
Manhattanhenge Is Back for 2025: When, Where and How to Watch

It is time once again to head to your nearest crosstown view for New York City’s best annual sunsets, if the weather cooperates.

News
What to Know About Kosmos-482, a Soviet Spacecraft Returning to Earth After 53 Years

Kosmos-482, which was headed to Venus, is expected to re-enter Earth’s atmosphere by the end of this weekend. Experts don’t yet know where it may come down.

News