All DNews Articles

What, exactly, is a “planet”? For ancient astronomers it was pretty easy. When they stared up at the night sky, they saw a) the sun, b) the moon, c) a lot of fixed stars, d) a few wandering points of light. Those vagabonds were the planets. Indeed, our word planet comes from the Greek word for “wanderer”.

If Kevin Costner wanted to make a sequel, he’s got plenty of opportunities. Water is by far the most common molecule in the universe. It’s made of two parts hydrogen and one part oxygen. Hydrogen is element number 1 (both on the period table and in abundance), and has been hanging around since the first 15 minutes of the Big Bang. Oxygen is forged in the hearts of sun-like stars, and spreads around when those stars die and turn themselves inside out. And since sun-like stars are also very popular, oxygen gets quite a boost.

On Monday, April 5, another first will occur for commercial space flight. For a look back at Crew-1's initial journey to the ISS, catch up on SPACE LAUNCH LIVE streaming now on discovery+.

After 196 days in space aboard the ISS, NASA astronaut Chris Cassidy, Roscosmos cosmonaut Anatoli Ivanishin, and Roscosmos cosmonaut Ivan Vagner are coming home! Let’s learn the details of their return to Earth.

The legendary duo, Martha Stewart and Snoop Dogg, are returning to the other ‘big game’ this year. They'll be hosting, and also coaching at PUPPY BOWL XVIII, streaming on discovery+ and airing on Animal Planet Sunday, February 13 at 2PM ET/11AM PT.

Recently NASA announced two brand-spanking new missions to our sister planet, Venus. This is the first time in over 40 years that Americans have led a mission to that enigmatic planet. What do they hope to find? Clues to our past…and answers to our future.

Luke Tipple is joined by lead ocean field scientist at The Ocean Cleanup, Matthias Egger, to discuss efforts to eliminate the Great Pacific Garbage Patch.

Severe drought conditions dried up a river at Dinosaur Valley State Park in Texas leading to the pre-eminent discovery.

Jared Isaacman, US billionaire and the founder of payment processing tech start-up Shift4 has purchased the first all-civilian mission to space with SpaceX--but it isn't just a joyride.

Conservationists warn that half a million sharks could be killed and harvested to develop the global supply of COVID-19 vaccines. But what do sharks have to do with vaccines? One word: squalene.

Yes, we said "planet." Clyde Tombaugh discovered Pluto at Lowell Observatory in Flagstaff, Arizona during the month of February in 1930.Last year on the 90th Anniversary of the discovery, the observatory held its first I Heart Pluto Festival. This year you can be a part of the action.

Luke Tipple chats with Eli Roth, award-winning filmmaker and shark conservationist about shark killing tournaments in Florida and across the United States.

'Tis the season for a new Discovery limited series about rocketry!

Quantum signals can travel over interstellar distances, shows new findings.

After a successful NASA and SpaceX Demo-2 Mission, the first operational mission of SpaceX’s Crew Dragon with four astronauts is targeted for November 15, 2020. Get ready to launch! Watch it live on SPACE LAUNCH LIVE: CREW-1 LIFT OFF starting at 5P ET on Discovery and Science Channcel or stream it live on Discovery GO.