Neither one reflects the other; they’re both blue for entirely different reasons. If you’ve ever been curious about the world you live in, you’ve probably wondered why the sky is […]
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Until about a decade ago, only two habitable zone planets of any size were known to astronomers: Earth and Mars.
The 17-year-old climate activist gets a lot of criticism online. Which of those critiques hold water?
When searching for extraterrestrial life, astronomers may want to look at planets with hydrogen-rich atmospheres.
Humpbacks swap songs at remote group of islands in the South Pacific.
Everyone is entitled to their own opinions, but no one is entitled to their own facts. Everyone is entitled to their own opinions, but no one is entitled to their own […]
Have we always had quantum fields in the Universe? Or did they emerge at some finite time? No matter how we look at the Universe — at low temperatures or ultra-high energies, from […]
How many potentially habitable planets are there? We sincerely don’t know. One of the most compelling scientific goals humanity has set for itself is to find extraterrestrial life: biological activity originating […]
The world isn’t ending! But we are likely at the beginning of a profound transformation.
The new fossil offers insight into when whales returned to the oceans millions of years ago.
The two planets most suited for habitability had very different fates. At last, scientists know why. Imagine the early days of our Solar System, going back billions of years. The Sun […]
Dinosaurs never left Earth, but they still traveled millions of miles through the Milky Way galaxy.
Today’s agriculture workers face 21 days of heat that exceed safety standards. That number will double by 2050.
Two Apollo 11 astronauts question NASA’s planetary safety procedures.
Black holes are the darkest objects of all. But are they made of dark matter? When it comes to the Universe, few objects are more compelling, fascinating, or extreme than black […]
In 2006, the IAU demoted Pluto. Here’s what we know today. In 2006, the last planet in our Solar System suffered an unforgettable insult, as Pluto — known for generations as our ninth […]
Although everyone knows that coal-based energy is a thing of the past, declarations about nuclear power plants somehow do not want to enter into force.
Infidelity, an inherently selfish behavior, has been analyzed by researchers to help us understand why people cheat in relationships.
Even with the best preparation imaginable, sometimes you have to get lucky, too. Even from our perspective in 2019, 50 years later, humanity’s achievements from July, 1969, still mark the pinnacle […]
Climate-driven changes in phytoplankton communities will intensify the blue and green regions of the world’s oceans.
The White House is reportedly considering an executive order that would open up public access to scientific research.
When it comes time for humanity to pick a new home, where will we go?
Norway plans to pay Gabon $150 million to protect its vast network of rainforests.
Geologists may have spotted evidence of the beginning stages of a subduction zone, a process that drives the movement of Earth’s tectonic plates.
One look at the uncertainties and the assumptions changes the story tremendously. Is there intelligent life out there in the Milky Way beyond our own Solar System? If so, how […]
There could have been life on Mars in the past, but that’s only the beginning of the story. For as long as humanity has been watching the skies, we’ve been fascinated […]
The Sun will eventually become a red giant star, swallowing Mercury and Venus in the process. But what will happen to Earth? There are a few existential questions we can ask […]
Researchers evaluated the best and worst ways to remove greenhouse gases from the atmosphere in a recent report.
As this map of Bouguer’s gravity anomaly shows, the pull of the earth varies considerably by region.