Our oceans don’t technically contain salt, but the ions salt is made of play a critical role in planet-wide processes that make the Earth habitable.

Clearing tropical forests isn't just dangerous to the natural world — it's also a threat to human health and wellbeing, says physician Neil Vora. Tracing how environmental devastation led to deadly epidemics like Ebola, he presents three...

AI won't kill us all — but that doesn't make it trustworthy. Instead of getting distracted by future existential risks, AI ethics researcher Sasha Luccioni thinks we need to focus on the technology's current negative impacts, like...

A frog and a mockingbird changed Paul Hawken's life, kindling a devotion to protect and restore nature. Now, as one of the world's preeminent environmentalists, he advocates for regeneration — a calling and action plan for the world to...

Sixty-six million years ago, near what’s now the Yucatán Peninsula, a juvenile sauropod feasted on horsetail plants on a riverbank. Earth was a tropical planet. Behemoth and tiny dinosaurs alike soared its skies and roamed its lands...

Life on your planet depends entirely on Nuronium for normal cognition. Unfortunately, its source has been compromised and you are now at risk of extinction. Scientists have found an alternate energy source, Polixate, but it can't sustain...

In the long term, shutting down a coal mine means cleaner air and a healthier environment — but in the short term, it can devastate a community or family that relied on the mine's paychecks to make ends meet. Environmental justice...

From the field to your closet, your clothes go on a long journey before they enter your life. Designer Amy Powney explores the fashion industry's brutal impact on the environment and human health, modeling what ethical, planet-friendly...

Mars has a ton of amazing features waiting to be explored, but we have to get there first. Thanks to our partners at the Boston Museum Of Science for helping us think about everything we need to plan a trip! Squeaks and Jessi would love...

Put on your spacesuits, because we’re off to explore Mars! We’ll learn all about how we could live there, and meet the robots that already do!<br/>
----------

Is it possible that life on earth began with an out of this world rock buffet?

Venus may have been named after the Roman goddess of beauty, but once humans started sending spacecraft to the planet next door, we quickly learned that beauty… hurts.<br/>

Dark Matter is the most abundant form of matter in the known universe, so what's keeping it from forming into planets?

Unfortunately, the universe isn't made of sugarcoated fried dough. However, here are a few ways donuts are still managing to find their way into the physical world.

Astronomers have found more than 5,000 planets in the last three decades, but that’s not nearly as exciting as potentially coming across the first extraterrestrial creatures. And we may finally be in a position to make that discovery.

Occultations may sound spooky, but in actuality they can inform us of some of the most unknown parts of the universe.

Mars’s moon, Phobos, is striped with grooves all across its surface. But if one theory about where they came from is true, does that mean this moon might be on its way out?

The Sun isn’t the only celestial body in the solar system to boast spots of its own. Mercury, too, has its fair share, and they’re worth wondering about.

Even if we find an earth-sized exoplanet, how can we be so sure that we're looking at earth 2.0? It might come down to how fast it's spinning.

You're familiar with the Moon, but it's not only our moon, depending on your point of view.

If we’re going to send people to Mars someday, we’re going to need to be very conscious of the challenges presented in this endeavor. And at the top of that list is the ferocious nature of dust on the barren planet.

2022 was a pretty exciting year for space science, but what news might we expect in the coming year?

You might be pretty confident that when a moon is there it’s there to stay, but that’s not always the case. Moons may have a history of disappearing.

The James Webb Space Telescope isn't just for finding Pinterest worthy pictures, we're finding some amazing details in the sometimes blurry background photos.