NASA astronaut Loral O’Hara prepared for her first spacewalk, but not for the view. O’Hara, along with SpaceX Crew-7 NASA astronaut Jasmin Moghbeli, conducted her fourth all-female spacewalk on the International Space Station (ISS) on November 1, 2023. They spent 6 hours and 42 minutes maintaining the station. Replacing a bearing to allow solar panels… Read More »
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific advancements and more. NASA is looking for innovative methods that could help retrieve samples collected by the Perseverance rover on Mars in the future. The rover, which landed on Mars in February 2021, is collecting samples from Jezero… Read More »
Extreme ocean heat is causing a mass bleaching event in coral reefs worldwide, according to the National Oceanic and Atmospheric Administration. NOAA announced Monday that “4. global coral bleaching event” and that bleaching has been documented in every major ocean basin in the past 14 months, including off Florida in the United States, Australia’s Great… Read More »
Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskids@theconversation.com. Why don’t the numbers end? – Reyhane, 7 years old, Tehran, Iran Here’s a game: Ask a friend to give you any number, and you’ll give back the larger one.… Read More »
A mass bleaching event is occurring in coral reefs around the world as the climate crisis triggers record-breaking ocean heat, two science organizations announced Monday. some experts warn this could be the worst bleaching period in recorded history. More than 54% of the world’s coral reef areas experienced bleaching last year, affecting at least 53… Read More »
By Gloria Dickie and Alison Withers (Reuters) – Many of the world’s colorful coral reefs have turned a ghostly white along coastlines from Australia to Kenya to Mexico, scientists said on Monday, the fourth global bleaching event in the past three decades. At least 54 countries and territories have experienced mass bleaching of reefs since… Read More »
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific advancements and more. This spring, billions of cicadas will emerge after more than a decade underground, ready to climb trees and make noise while singing to attract mates. However, some of these insects will not achieve their reproductive… Read More »
Record-breaking temperatures, rising sea levels, increasingly extreme weather and more are fueling the man-made climate crisis. It doesn’t feel like a good time to raise or have children. But perhaps it still is, if we can respond to fear with knowledge and hope. I chatted with Bill Weir, CNN’s Chief Climate Correspondent and host of… Read More »
SpaceX’s Starship, the world’s largest rocket, will get even bigger as the company continues to target future Mars missions. SpaceX’s billionaire founder Elon Musk told employees on April 4 that Starship will eventually be as high as 500 feet (150 meters), roughly 20 percent higher than the massive system currently aboard the Super Heavy rocket.… Read More »
Given that primordial black holes are suspects of dark matter, their excuse may be falling apart. Small black holes formed seconds after the birth of the universe may survive longer than expected, reigniting suspicion that primordial black holes could explain dark matter, the universe’s most mysterious substance. Dark matter currently represents one of the most… Read More »