A few years ago, the first dark matter-free galaxies were announced, and then immediately disputed. Now, there are too many to ignore.
And the one step we can take to show extraterrestrials we’re figuring it out. Every year, Earth’s meteor showers accomplish two important tasks. This composite photograph shows a large number of […]
A study proposes that an ancient trading network, called the Hopewell tradition, may have been wiped out by what is known as a cosmic airburst.
Symbolic gestures often speak to our psyche in ways no rational action could ever speak to our intellect.
Researchers speculate the famous monument was one of the world’s first solar calendars, possibly inspired by trade with ancient Egyptians.
From the right place at the right time, it’s a sight unlike any you’ll find on Earth. In our Solar System, any planet with moons has a chance for a solar […]
The Earth Return Orbiter is part of a long-term mission to search for ancient alien life on Mars.
Can we end world hunger by 2030? Thanks to a new program, the data for it is all there.
Frank Slater’s book "Practical Portrait Painting" reveals the secrets of masters old and new, from Leonardo da Vinci to Augustus John.
We give it the flight plan, and it takes care of the rest. It has to. Here’s why. No matter how advanced our technology becomes, there are certain limits that can […]
The organisms were anchored to a boulder 900 meters beneath the ice, living a cold, dark existence miles away from the open ocean.
The unconventional method could help astronomers better track meteorites that fall during the daytime.
If you think life on Earth is hard, wait until you see Mars. If you think life on Earth is hard, try living on Mars. Mars, as photographed from the surface […]
An unexpected finding shows us how little we know about the early human story in our region.
The brightest object in the night sky, our Moon is an unmistakable sight. The brightest object in the night sky, our Moon is an unmistakable sight. The Moon, in a […]
Here's why mega-eruptions like the ones that covered North America in ash are the least of your worries.
To overcome burnout, we need to change how we think about the relationship between dignity and work, argues Jonathan Malesic.
An icy space rock flattened an ancient city and everyone in it, perhaps inspiring the Biblical story of Sodom
Shocked city dwellers who stared at it were blinded instantly, then the entire city caught fire.
The world's most isolated inhabited island also has some of the world's strangest toponyms.
Our views from the red planet’s surface are more spectacular than ever. Ever since the earliest spaceflight, humanity has reached for Mars. This photo composite shows Meande Ring, a river on […]
NASA's intrepid Curiosity rolls upward into Mars history.
Scientists put the most mysterious force in the Universe to the ultimate test. When it comes to the Universe, it’s easy to make the incorrect assumption that what we see is […]
Singapore is a breeding ground of truly green buildings.
Saturn's Iapetus, discovered way back in 1671, has three bizarre features that science still can't fully explain.