It’s been almost four and a half years since it was made in space, but if you could smell it today, you’d see that the DoubleTree Cookie still retains its distinctive scent. The cookie, the world’s first food item baked in space, went on display Wednesday, May 8, at the National Air and Space Museum’s… Read More »
AR3664 is no ordinary sunspot. The giant dark region on the Sun’s surface has ballooned in recent days, becoming one of the largest and most active regions. sunspots I saw it solar cycle. AR3664 came to the attention of scientists earlier this week when the National Oceanic and Atmospheric Administration (NOAA) Space Weather Prediction Center… Read More »
When I sat with Jane Rigby in the upstairs conference room of the Children’s Museum of Indianapolis last month — a quiet respite from the crowds of families perusing the cosmic exhibits and dinosaur bones below — her eyes were warm and measured. He also wore a menagerie of gravitationally lensed galaxies. His t-shirt was… Read More »
Black hole week is in full swing, and to celebrate, NASA has revealed how its next major astronomy instrument, the Nancy Grace Roman Space Telescope, will hunt for tiny black holes dating back to the Big Bang. When we think of black holes, we tend to imagine huge cosmic monsters, such as stellar-mass black holes… Read More »
In early March, Dr., a large animal veterinarian in Texas. Barb Petersen started getting calls from dairy farms she worked with in the Panhandle. Workers there were seeing lots of cows with mastitis, an infection of the udder. Their milk had turned thick and discolored, and this could not be explained by any of the… Read More »
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific advancements and more. High levels of lead detected in authenticated locks of Ludwig van BeethovenThe composer’s hair suggests he had lead poisoning, which may have contributed to the ailments he endured throughout his life, including deafness, according to… Read More »
Astronomers may have finally solved the mystery of how extremely dense dead stars called white dwarfs keep their heavy metal shells fresh by cannibalizing what’s left of their planetary systems. Our Sun will turn into a white dwarf in about five billion years after exhausting the hydrogen that fuels nuclear fusion in its core. So… Read More »
El Niño, one of the biggest contributors to last year’s record-breaking global temperatures, is nearly gone, and its opposite, La Niña, is on the way. Whether this is a relief depends partly on where you live. Above-normal temperatures are still expected across the United States in summer 2024. Additionally, if you live on the Atlantic… Read More »
Editor’s Note: Call to Earth is a CNN editorial series that aims to report on the environmental challenges facing our planet with solutions. Rolex’s Perpetual Planet initiative has partnered with CNN to raise awareness and education on key sustainability issues and inspire positive action. Miami Beach, Florida is known for its art deco vibe and… Read More »
If you’ve ever wondered what would happen if you were unlucky enough to fall into a black hole, NASA has an answer. To celebrate the start of black hole week on Monday, May 6, a visualization created on a NASA supercomputer takes the viewer on a one-way dive beyond a black hole’s event horizon. This… Read More »