We’re not saying it was aliens… but what else could it be? A look into a recent UFO sighting over the northeast corner of New Mexico.

Biodiversity and species loss is a grave threat, facing not only animals and plants but society too. Ecologists say that losing species directly affects human food production, water supply, building materials, and energy sources, so our interactions with and handling of ecosystems must be regulated.

In a daring, high-seas adventure, award-winning photographer Ian Shive captures a series of wildlife spectacles including an active volcano, forgotten World War II relics and battles amongst species. The Last Unknown Streams Thursday, March 18 on discovery+.

Josh Gates and Christopher Lloyd search for the iconic DeLorean Time Machine in the discovery+ original EXPEDITION: BACK TO THE FUTURE. Stream the 4-part series March 15 only on discovery+.

Join MOONSHINERS’ veteran, Tickle, in his all new series as he searches for the next king or queen of the Smoke Ring. MOONSHINERS: SMOKE RING premieres March 9 on discovery+.

The Aleutian Islands in Alaska are a rugged, wild network of 2,500+ islands which swing out from a small fishing village out into the middle of the Bering Sea. They are not only protected by remote isolation, but also in their designation as Alaska Maritime National Wildlife Refuge. Watch Ian’s full adventure unfold in THE LAST UNKNOWN: The Aleutian Islands, streaming on discovery+ on March 18.

This March, stream what you love on discovery+. From MOONSHINERS to BATTLEBOTS to GOLD RUSH, you can find it on the new streaming service.

Perseverance with Ingenuity strapped to its belly launched on July 30, 2020, from Cape Canaveral Air Force Station in Florida. The Mars Rover and Mars Helicopter safely landed on the dusty surface at 3:55P ET on February 18, 2021, after traveling nearly 292.5 million miles.

How can we predict another pandemic? Researchers are utilizing what we have learned from COVID-19 to get in front of the potential pandemics of the future.

Bucky gets lucky with a new fossil discovery. A North Carolina State University paleontologist finds his dream fossil in the sands of the New Mexico desert.

Meet J. Robert Harris, a marketing consultant and social scientist by profession and a true explorer by heart. He's been exploring remote parts of the world for 50 years. Using personal anecdotes and archival images, J.R. draws from his own expedition experience and spotlights the struggles and triumphs of Black explorers throughout history and those who forge ahead today.

Veterinarians have their work cut out for them, literally, when animal caretakers come to them for help healing mysterious lumps and bumps in an all-new special.

The oldest grizzly thought to have roamed the Yellowstone region was identified as being a whopping 34 years old, after biologists spotted a mark on his lip made in 1989.

This black-footed ferret is not only cute, she is beyond special. Meet Elizabeth Ann, the first endangered animal to be cloned in North America.

After a harrowing landing and traveling nearly 292.5 million miles, NASA's Perseverance with Ingenuity touched down on Mars at 3:55P ET today, February 18, 2021. Congratulations to the teams at NASA and JPL. We cannot wait to see what research comes from this incredible mission. Experience more Mars on discovery+. Download and subscribe to stream NASA Mars Landing: Inside the Mission and When We Left Earth.