earth

Fall equinox 2022: Not as 'equal' as you may think

We've entered our second and final equinox of 2022

Originally Published: 22 SEP 22 06:05 ET By Forrest Brown, CNN (CNN) -- Twice a year, the sun doesn't play favorites. Everyone on Earth is seemingly on equal status -- at least when it comes to the amount of light…

SpaceX's Dragon cargo ship headed back to Earth

The Dragon is bringing back scientific investigations and medical research

Originally Published: 23 JAN 22 13:51 ET By Claudia Dominguez and Alaa Elassar, CNN (CNN) -- SpaceX's unmanned Dragon cargo ship successfully undocked from the International Space Station (ISS) Sunday morning and is making its return to Earth. The…

Winter solstice 2019

For six months now, the days have grown shorter and the nights have grown longer in the Northern Hemisphere -- but that's about to reverse itself.

Hubble catches interstellar comet as it flies past the sun

The Hubble Space Telescope had a front row seat to capture the best and closest image to date of interstellar comet 2I/Borisov, a visitor that originated from outside of our solar system. On Sunday, the comet passed within 190 million miles of Earth on its closest approach before continuing on through our solar system.

Real-life planets you may have first seen in a 'Star Wars' film

A long time ago in a galaxy far, far away, there was a breathtaking diversity of planets. From the cockpit of the Millennium Falcon, rebel ships and Imperial cruisers, we've seen a colorful variety of them come into view. Harsh deserts baked by twin suns, craggy caverns, lush forests, water worlds, mineral-coated surfaces, inhospitable ice, inhabited moons and even lava worlds have greeted our gaze.

NASA mission catches asteroid ejecting material into space

NASA's OSIRIS-REx mission arrived at near-Earth asteroid Bennu a year ago, and the spinning top-shaped space rock has been full of surprises. The latest findings now classify it as an active asteroid with observable events happening on the surface.

United Nations report paints bleak picture on climate change

A new United Nations report paints a bleak picture: The commitments countries pledged to limit the climate crisis are nowhere near enough to stave off record-high temperatures. Delaying change any further will make it impossible to reach desired temperature goals.

This is one place on Earth where no life can exist

Life exists in extreme environments on Earth, from arid deserts and frozen tundras to thermal, toxic vents in the deepest reaches of the ocean floor. But it can't exist on every inch of the planet and scientists have discovered a place in Ethiopia where life can't find a way, according to a new study.

Rover explores the solar system's oceans

Astronomers have uncovered increasing evidence that some bodies in our solar system, like Jupiter's moon Europa and Saturn's moon Enceladus, are actually ocean worlds.

Flat earth conspiracy spreads globally

"I don't want to be a flat Earther," David Weiss says, his voice weary as he reflects on his personal awakening. "Would you wake up in the morning and want everyone to think you're an idiot?"

New fossil treasure trove examined in TV special

When searching for dinosaur fossils, paleontologists know that there is a certain layer in the Earth where the fossils disappear. That layer marks when an asteroid slammed into Earth 66 million years ago, causing dinosaurs to go extinct and wiping out more than 75% of species.

What's it like to live on the International Space Station?

When it comes to business travel, astronauts take the cake. The six space scientists and engineers who live and work in the International Space Station are traveling at a speed of five miles per second -- orbiting Earth once every 92 minutes.

Solar systems have a 'baby-proof' system

Space is not a friendly environment, even for the stars, planets and galaxies born in its cold, violent reaches. But solar systems have found a way to keep their newborn planets from accidentally getting too close to their host stars, according to a new study.