Category Archives: Science

‘Stirring’ of energy waves on Earth may hold history of the universe

By measuring how energy waves move through the sky above Earth, scientists have created a way to delve into the 13.8 billion-year history of our universe, starting from “first light.” The team, led by Johns Hopkins University astrophysicists, used an array of microwave telescopes called the Cosmology Large Angular Scale Surveyor (CLASS) to map 75%… Read More »

A lone orca slaughtered a great white in less than two minutes. Scientists say this could indicate an ecological shift

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific advancements and more. Working together, a pair of orcas have been killing great whites off the South African coastline since at least 2017, plundering the sharks’ nutrient-rich livers and discarding the rest. Scientists are trying to make sense… Read More »

Space shuttle astronaut and NASA administrator Richard Truly dies at 86

Richard “Dick” Truly, one of the first astronauts to fly on the space shuttle and later served as NASA’s eighth administrator, has died at the age of 86. Truly’s death on Tuesday, February 27, was confirmed by the Space Explorers Association, a professional organization for the world’s astronauts and cosmonauts, which counts Truly as a… Read More »

Here’s what can happen when you view the eclipse incorrectly and how to avoid it this April

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific advancements and more. A stunning total solar eclipse will be visible to millions of people in Mexico, the United States and Canada on April 8. Astronomers are encouraging anyone along the way to enjoy this rare sight for… Read More »

Expansion of orchards in Canada’s wine country raises fears a key wildlife corridor will be damaged

KELOWNA, British Columbia (AP) — Just below the fog line hanging over the central Okanagan Valley, rows of saplings for a cherry orchard expansion line the eastern stretch of Highway 33 on the outskirts of Kelowna in Canada’s wine country. New cherry varieties and climate change in British Columbia’s interior have enabled the fruit to… Read More »

Mexico City’s 21 million residents face serious water shortages

MEXICO CITY – North America’s most populous city is in the grip of a severe water crisis as a prolonged drought and years of low rainfall are pushing the already strained system that provides running water to Mexico City to its limits. More than 21 million residents in the Mexico City metropolitan area have been… Read More »

James Webb Space Telescope detects dwarf galaxies powerful enough to reshape the entire early universe

Astronomers used the James Webb Space Telescope (JWST) and estimated this effect Albert Einstein More than 100 years ago, we discovered that small galaxies in the early universe had a massive impact that shaped the entire universe when it was less than 1 billion years old. The international team found that galaxies similar to the… Read More »

Why did NASA astronaut Jeanette Epps wait 6 extra years for the ISS space mission?

NASA astronaut Jeanette Epps He had an unusual path to space: He waited an extra six years to fly. Epps will finally fly to the International Space Station (ISS) for NASA on the SpaceX Crew-8 mission as early as Saturday night, March 2, marking the second long-duration mission by a Black woman at the orbiting… Read More »