World’s first ‘boomerang meteorite’ – a rock that left Earth, spent millennia in space and then returned – likely discovered in the Sahara desert

The suspected meteorite NWA 13188, discovered in Morocco in 2018, may have originated from Earth. (Image credit: Albert Jambon) Researchers have proposed that an unusual rock recently discovered in northern Africa could be the first known ‘boomerang meteorite’, a space rock that originated on our planet before being ejected into space and then crashing down … Read more

What are marine heatwaves, which gripped parts of the world’s oceans this summer?

coral bleaching

The world is currently baking under the scorching sun. While the previous month was the hottest June on record on record, July is likely to become the hottest month in hundreds, if not thousands of years. Scorching temperatures have prompted warnings of extreme heat, wildfires and poor air quality in several regions. But it’s not … Read more

The world’s largest radio telescope could reveal the secrets of dark matter, the first galaxies in the universe

A feature of light absorption by the hydrogen surrounding early galaxies could be used as a new probe into the mysteries of dark matter and how it affected the evolution of the universe during the cosmic dark ages. Scientists have long theorized that dark matter, a mysterious substance that makes up about 85 percent of … Read more