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By Ashley Strickland, CNN If you’ve ever dreamed of what it might be like to live on another world, here’s your chance. Applications are now open to participate as a crew member in NASA’s first one-year simulation of living on Mars. If you succeed, you’ll be one of four people living and working in a

By Katie Hunt, CNN Mammoths covered huge distances in their lifetime. The beasts traveled the equivalent of the circumference of the Earth almost twice, information from the study of a 17,000-year-old tusk has revealed. Mammoth tusks grow by age — a bit like tree rings — and analysis of chemical traces in each layer of

By Scottie Andrew, CNN In 1968, excavators uncovered a nearly 1,000-year-old grave in Finland thought to be occupied by a warrior woman, given the presence of both jewelry and a pristine sword in the grave. A new analysis of the grave’s contents has produced a new hypothesis: The person buried there may have been nonbinary.

By Ashley Strickland, CNN Black holes are one the universe’s ultimate mysteries, hard to even imagine. But thanks to a recently released NASA image, we can visualize one a little bit better now. Ghostly glowing rings were captured around a black hole by NASA’s Chandra X-ray Observatory and Neil Gehrels Swift Observatory. The X-ray images

By Ashley Strickland, CNN The Perseverance rover attempted to collect its first sample of Mars last week, but it seems the red planet wasn’t ready to cooperate. In the wee hours of August 6, more than 90 engineers and scientists awaited the first data from Perseverance’s drilling attempt. The information sent back to Earth by

By Ashley Strickland, CNN Bennu is one of the most hazardous known asteroids in our solar system. Thanks to a visit by a NASA spacecraft, scientists have a much greater understanding of the near-Earth asteroid, its upcoming closest approaches to Earth — and whether it could impact our planet. The data collected by NASA’s OSIRIS-REx

By Eleni Giokos, CNN At times it feels like the air itself is burning here on Evia. The smell and taste of smoke is ever-present; ash falls from the sky like sinister confetti. At the edge of the forests, being devoured by flames as tall as the trees themselves, exhausted firefighters mingle with desperate villagers.

By Ivana Kottasová, CNN Wildfires tearing across the Mediterranean have killed dozens of people and reduced entire villages to ash. Some leaders have emphasized the role of arsonists in the devastation, while others have been accused of using climate change as a cover for their own poor disaster management. The result is a confusing message

By Megan Marples and Ashley Strickland, CNN The Perseid meteor shower will grace the summer skies in mid-August as one of the biggest showers of the year. The meteor shower will peak from midnight on August 11 to dawn on August 13 but actually runs from July 23 to August 22, according to The Old

By Kristin Fisher and Ashley Strickland, CNN NASA’s goal of returning American astronauts to the moon by 2024 isn’t feasible because of significant delays in developing spacesuits, NASA Inspector General Paul K. Martin said in a new report. Even though NASA will have spent more than a billion dollars on the next-generation spacesuits, Martin concluded

CNN Editorial Research Here’s a look at the International Space Station (ISS), a spacecraft built by a partnership of 16 nations: United States, Canada, Japan, Russia, Brazil, Belgium, Denmark, France, Germany, Italy, the Netherlands, Norway, Spain, Sweden, Switzerland and the United Kingdom. Information on ISS crews and expeditions can be found here. Statistics The ISS

By Ivana Kottasová and Angela Dewan, CNN Scientists have warned for decades that we were changing the climate in a way that would have devastating impacts on the planet and our lives. A landmark report on Monday showed that’s already happening, and faster than we expected. The findings, by the UN Intergovernmental Panel on Climate

CNN Editorial Research Here’s a look at some recent cases of foreign governments detaining US citizens. For information about missing Americans, see Robert Levinson Fast Facts or POW/MIA in Iraq and Afghanistan Fast Facts. Currently Detained Americans China Kai Li September 2016 – Kai Li, a naturalized US citizen born in China, is detained while

By Angela Fritz and Rachel Ramirez, CNN As the world battles historic droughts, landscape-altering wildfires and deadly floods, a landmark report from global scientists says the window is rapidly closing to cut our reliance on fossil fuels and avoid catastrophic changes that would transform life as we know it. The state-of-the-science report from the United

By Brandon Miller, CNN Monday’s report from the United Nations’ Intergovernmental Panel on Climate Change (IPCC) represents the most comprehensive and conclusive “state of the science” on the climate crisis: why it is happening, how it is impacting every region of the planet, how much worse things are set to get and what must be

By Amy Woodyatt and Jennifer Hauser, CNN Failure to act now on climate change will result in “catastrophic” consequences for the world, the leader of the United Nation’s next climate talks has warned. “I don’t think there’s any other word for it,” Alok Sharma, the British minister in charge of the 26th UN Climate Change

By Eliza Mackintosh, CNN The war against Covid-19 is changing, putting into stark relief the deepening divide between countries that have the weapons to fight the virus and those that don’t. As concerns mount over the highly contagious Delta variant, wealthy nations are tightening their grip on vaccine arsenals, while desperate people elsewhere in the