Astronomers can't agree on how fast the universe is expanding. New approaches aim to break the impasse
It is almost 100 years since scientists discovered the universe is expanding. In the decades that followed, the accuracy of ...
Smithsonian Magazine20h
Did Earth Once Have a Ring Like Saturn? Geologists Find Evidence for a Halo of Orbiting Space Rocks 466 Million Years Ago
A ring could explain a mysterious arrangement of impact craters near the equator and might even have caused an ice age, ...
Space.com2h
Europe's Hera probe to launch Oct. 7 to inspect asteroid NASA smacked in 2022
Hera and its two cubesats arrived at their launch site in Florida in early September following a transatlantic flight from Germany, with a stop in Ireland. The mission's launch window opens on Oct. 7 ...
Space.com on MSN18h
NASA's Europa Clipper on track for Oct. 10 launch to Jupiter's icy moon despite radiation worries
"There's very strong evidence that the ingredients for life exist on Europa, but we have to go there to find out." ...