Technology
How Much Energy Does It Take to Blow Up a Planet?
From Alderaan to Kijimi, Sith lords sure do love to blast planets to smithereens. So how powerful are *Star Wars*’ doomsday weapons...
Coronavirus Guide: Symptoms, Testing, Treatment, and Economics
Everything we know about Covid-19, from avoiding the virus to caring for your loved ones, with regular updates.
This Mental Health App Is Tailor-Made for Your Pandemic...
Covid Coach, from the National Center for PTSD, offers exercises and resources for dealing with uncertainty, isolation, and unemployment.
Will Covid-19 Go Away In the Summer and Return in the Fall?
Researchers want to know if the disease is seasonal, like colds. But while heat and humidity harm the virus in the lab, that’s not...
The Universe Is Expanding Faster Than It Should. Why?
The Hubble constant predicts how rapidly space should grow—but astronomical observations don't line up. Here are the top ideas about...
Build Your Own Pinhole Videocam\!
Explore the bouncy behavior of light beams by constructing a high-tech camera obscura.
Space Photos of the Week: Happy Birthday, Hubble\!
Every year on the telescope's birthday, we're the ones who get a gift: a brilliant and never-before-seen snapshot of the cosmos.
Want to Study Permafrost? Get It Before It's Gone
Alaska's frozen earth is a cryo chamber for ancient bone and bacteria specimens, and it sequesters carbon too. But climate change...
Covid-19 Is Killing Black People Unequally—Don't Be Surprised
The coronavirus pandemic is further exposing a gulf in the health statistics of white and black Americans that has existed for decades.
The World Is Still Producing More Oil Than It Needs. Why?
Today, petroleum producers around the world will start shutting down wells after the Covid-19 pandemic caused demand to plummet. What...
