Scientists Just Used Really Old Satellites to Find 3,000-Year-Old Underground Aqueducts
The HEXAGON KH-9 reconnaissance satellites were the largest and last U.S. intelligence satellites to return photographic film ...
Smithsonian Magazine18h
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, ...
Astronomers Unveil the Most Exquisite Cosmic Microscope Predicted by Einstein
Gravitational lenses bend and focus light from the more distant cosmos, offering astronomers a cheat code for chronicling the ...
Hosted on MSN13h
Europe's Mars 'fetch rover' nails sample pick-up test in the field (video)
Europe's Mars Sample Fetch Rover showcased its sample-picking skills in field tests for the first time this month.
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 ...
Earth May Have Had Rings Like Saturn, Scientists Say
Evidence suggests Earth had a ring system 466 million years ago, causing a surge in meteorite impacts and possibly ...
Scientists have captured Earth’s climate over the last 485 million years. Here’s the surprising place we stand now.
An effort to understand Earth’s past climates uncovered a history of wild temperature shifts and offered a warning on the ...
Study charts how Earth's global temperature has drastically changed over the past 485 million years, driven by CO₂
A new study co-led by the Smithsonian and the University of Arizona offers the most detailed glimpse yet of how Earth's ...
Huge Variations in Earth's Temperature Over Last Half-Billion Years
A new study co-led by the University of Arizona and the Smithsonian offers the most detailed glimpse yet into how Earth's ...
Prehistoric Earth Was Very Hot. That Offers Clues About Future Earth.
At times during the past half-billion years, carbon dioxide warmed our planet more than previously thought, according to a ...
Science Daily11h
New research reenvisions Earth's mantle as a relatively uniform reservoir
Lavas from hotspots - -whether erupting in Hawaii, Samoa or Iceland -- likely originate from a worldwide, uniform reservoir in Earth's mantle, according to an evaluation of volcanic hotspots.
earth11h
Largest black hole jets ever seen are 23 million light years long
Astronomers found the biggest pair of black hole jets ever observed, stretching 23 million light years. and named this system ...