Perseverance lands on Mars
NASA's rover lands on Mars, on a mission to look for signs of extinct life. What can it teach us about life on Earth?
STEM
Robotics team at Metea Valley wins national renown
We congratulate the freshman robotics team at Metea Valley HS in Aurora, Ill., on winning an online challenge for inclusivity in STEM.
Periodic table with superheroes and apps helps
Researchers say students retain learning better in chemistry if small modifications are made to the subject's main tool.
Great conjunction; it’s not usually this good
Viewers in the Northern Hemisphere could see Jupiter and Saturn really close to each other this week.
Trump calls Covid relief bill a ‘disgrace’
President Trump demanded Congress amend months of work on a Covid disaster relief bill: he wants more money to Americans.
Russian hackers attack U.S. networks
Criminals from Russia appear to have hacked into several computer networks in the US, some of them holding secure government info.
Nor’easter brings pandemic’s 1st snow day
A powerful winter storm, the biggest in over a year, led some schools to cancel in-person instruction, but virtual learning can continue.
FDA authorizes emergency use of Pfizer’s vaccine
The FDA officially approved emergency use authorization for a Covid-19 vaccine Friday. The beginning of the end.
Social distancing affects a fish’s brain
The amount of a chemical in the brain of zebrafish is altered by the population density of the animal's social environment.
Clinton, Bush, Obama say they’ll get vaccinated
Vaccines against Covid-19 are making their way through government regulatory agencies; the 3 living former presidents say they're ready.