This week in science: early humans used bone tools 1.5 million years ago, Jupiter's moon Callisto may have an ocean, and deadly storms threaten the US. Read more...

A roundup of recent stock market activity, including analyst ratings for Titan America, Astrana Health, and On Holding AG, plus movement in GreenPower Motor and ImmunityBio stocks. Read more...

NASA successfully tracked GPS signals on the Moon, while scientists warn about Earth's slowing ocean currents and a white dwarf destroying planets. Read more...

From a rare planetary alignment to a rogue interstellar object shifting orbits, space is full of surprises. Plus, Czech scientists contribute to Venus exploration! Read more...

Recent discoveries include a possible planetary orbit shift, a unique ultra-hot Neptune atmosphere, the return of Sunita Williams, and a planetary alignment illusion. Read more...