
NASA Reveals Sneak Peek of Historic Asteroid Sample
OSIRIS-REx’s treasure trove from asteroid Bennu includes material rich in water and carbon

NASA Reveals Sneak Peek of Historic Asteroid Sample
OSIRIS-REx’s treasure trove from asteroid Bennu includes material rich in water and carbon

The Milky Way May Be Missing a Trillion Suns’ Worth of Mass
Slow-moving stars at the Milky Way’s outskirts suggest our galaxy may be far lighter than previously believed, with profound implications for dark matter


International Space Station Suffers Leak, But Crew Remains Safe
For the third time in a year, coolant is leaking from a Russian module aboard the International Space Station

Euclid Space Telescope Rescued from Mission-Threatening Glitch
The European Space Agency says a software patch restored stability to its cosmos-mapping Euclid spacecraft — but slower operations could extend the mission

Bringing Mars Rocks to Earth Could Cost an Astronomical $11 Billion
NASA’s Perseverance rover has collected valuable samples, but a new report says the plan to fetch them is unworkable

Beyond Pluto, New Horizons Gets a Reprieve from NASA
NASA has reversed course on plans to curtail the New Horizons spacecraft’s planetary science studies following a rebellion among the mission’s leaders

Giant Satellite Outshines Most Stars in the Sky
At times, the enormous BlueWalker 3 telecommunications satellite is brighter than some of the most iconic stars visible from Earth

JWST Finds Strange Harmony in Early Galaxies and Black Holes
Black holes in the extraordinarily distant cosmos are out of tune with their host galaxies, offering insights into their formation

UFO Research Is Only Harmed by Antigovernment Rhetoric
Conspiracy theories and, relatedly, antigovernment sentiment could prove toxic to any factual and scientific discussion of unidentified anomalous phenomena

Can You Spot a Satellite?
Thousands of spacecraft circle Earth. Seeing them from the ground is surprisingly easy—and a lot of fun

How Wealthy UFO Fans Helped Fuel Fringe Beliefs
There is a long U.S. legacy of plutocrat-funded pseudoscience. Congress just embraced it

Chandrayaan-3 Makes Historic Touchdown on the Moon
The successful lunar landing of the Chandrayaan-3 mission makes India only the fourth country to achieve the feat