New bans target PFAS in clothing. Here’s how to avoid exposure

There’s a 1.9% chance a big asteroid could hit Earth in 2032. Scientists say don’t worry about it

By Natalie Stechyson, CBC News, RCI Near-Earth asteroid known as 2024 YR4 is estimated to be 40 to 100 metres across Look at it this way...

Is there life out there? The existence of other technological species is highly likely

By Maikel Rheinstadter, McMaster University, The Conversation We live in a golden age for space exploration. Scientists are gathering massive amounts of new information and scientific...

Where does black fall on the color spectrum? A color scientist explains

By Michael J. Murdoch, Rochester Institute of Technology, The Conversation Curious Kids is a series for children of all ages. If you have a question you’d...

Astronomers have spied an asteroid that may be heading for Earth. Here’s what we know so far

By Jonti Horner, University of Southern Queensland, The Conversation On 27 December last year, astronomers using the ATLAS survey telescope in Chile discovered a small asteroid...

One large Milky Way galaxy or many galaxies? 100 years ago, a young Edwin Hubble settled astronomy’s ‘Great Debate’

By Chris Impey, University of Arizona; The Conversation A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting...

Biden helped bring science out of the lab and into the community − emphasizing research focused on solutions

By Arthur Daemmrich, Arizona State University; The Conversation President Joe Biden was inaugurated in January 2021 amid a devastating pandemic, with over 24 million COVID-19 cases...

Humans will soon be able to mine on the Moon. But should we? 4 questions to consider

By Evie Kendal, Swinburne University of Technology; Alan Duffy, Swinburne University of Technology; The Conversation By the end of this decade, nations and private companies may well...

In Disney’s ‘Moana,’ the characters navigate using the stars, just like real Polynesian explorers − an astronomer explains how these methods work

By Christopher Palma, Penn State; The Conversation If you have visited an island like one of the Hawaiian Islands, Tahiti or Easter Island, also known as...

The Moon might be older than scientists previously thought − a new study shines light on its history

By Francis Nimmo, University of California, Santa Cruz; The Conversation A physicist, a chemist and a mathematician walk into a bar. It sounds like the start...