What's up in
Science & Engineering
Physics, materials, energy, robotics, computing, aerospace engineering and space medicine.
Starship's upper stage recovered intact after 24 days at sea
Feral horses inherit survival from their herd's microbes, not just genes
Cave explorer lost track of time by weeks with no sunlight or clocks
The Navy's undersea colony dream ended in tragedy and collapse
Asteroid with three lobes upends everything astronomers thought they knew
Asteroid Apophis will pass close enough for most of Earth to see it
Japan's spacecraft will bring first sample from Mars moon back to Earth
Sea otters pack one million hairs per square inch, the densest fur of any mammal on Earth
Radar signals clash over what lies beneath Mars's frozen south pole
Vampire bats run a blood-sharing economy based on remembered favours
