Why don't we remember being babies? Brain scans reveal new clues Why can't we remember when we were babies? Scientists who scanned infants' brains found that they do make memories. The findings suggest these memories may still exist, but are inaccessible to us. Ari Daniel
Dark energy is weakening and the universe could (eventually) collapse, study says The Dark Energy Spectroscopic Instrument (DESI) is studying dark energy and the accelerated expansion of the universe. Chandelis Duster
How land-loving iguanas from North America may have ended up in Fiji A new study suggests iguanas reached Fiji by rafting around 5,000 miles from North America. Jonathan Lambert
New 'baby pictures' of the cosmos show the universe in its infancy If our 13.8 billion-year-old cosmos could be considered middle-aged, researchers note these new images captured around its 380,000th birthday represent a snapshot of the universe as a newborn. Joe Hernandez
These scientists are building a cat database to understand why they act like that The project, called Darwin's Cats, aims to enhance our understanding of feline behavior and genetics. Manuela López Restrepo
How astronauts adjust when back on Earth after being in space Astronauts face several risks during spaceflight, including exposure to radiation. Chandelis Duster
This astronaut spent over 100 days in space. Here's how he says that affected him Jack Fischer spent more than 100 days aboard the International Space Station in 2017. He described to NPR what being in space for so long does to the body and what it feels like to return home. A Martínez
2 NASA astronauts return to Earth after an unexpectedly long mission in space NASA astronauts Suni Williams and Butch Wilmore were on the International Space Station more than nine months, despite launching into space in June for what was expected to be an eight-day mission. Joe Hernandez
A cell pulls off one of the 'Holy Grails' of biotechnology A new part of an ocean plant cell has been discovered that might revolutionize farming one day. The structure can take nitrogen and convert it into the ingredient that helps all organisms grow. Ari Daniel
Heat can age you as much as smoking, a new study finds Exposure to heat can alter the way your DNA works, according to a new study. The effects could lead to long-term health outcomes. Alejandra Borunda
