Don't stress about what kind of Christmas tree to buy, but reuse artificial trees and compost...
Time travel is possible – but only if you have an object with infinite mass
You may not even need a telescope to see Comet 46P/Wirtanen in the night sky this month
A vaccine that could block mosquitoes from transmitting malaria
Racial and ethnic minorities are more vulnerable to wildfires
How the ‘wave of women’ entering congress could turn the #MeToo movement into concrete action
Experiments with optical tweezers race to test the laws of quantum mechanics
Fighting another war: How many military personnel and veterans will have PTSD in 2025?
Traveling through time in unconventional spaces with Miami Motel Stories: MiMo
How many women does it take to change a broken Congress?
Why Google's employees walked out and what it could mean for the future of labor
New findings on ocean warming: 5 questions answered
How safe is your place of worship?
Campaign spending isn't the problem – where the money comes from is
Hate speech is still easy to find on social media
Religion and refugees are deeply entwined in the US
Ideologically motivated far-right extremists have killed close to 500 people since 1990 – and 10...
Extreme political polarization weakens democracy – can the US avoid that fate?
The Dead Sea Scrolls are a priceless link to the Bible's past
What Bolsonaro's presidency means for Brazil: 5 essential reads