SpaceX’s targeted $1.75-trillion valuation rests on engineering that hasn’t happened yet
Reusable rockets and Starlink made Elon Musk’s company dominant in spaceflight. Its record valuation leans on making Starship flights routine and orbital AI data centers real
What Disclosure Day gets wrong about the search for aliens
Can black holes send information back in time?
SpaceX’s historic IPO ignites the new space race
Today’s Spellements
Science Quiz: Who claims Antarctica?
NASA's experimental quiet supersonic plane passes another critical milestone
Former U.S. health official explains why the Trump administration ‘ignored’ a key alcohol study
Earth’s permafrost could soon release hidden ‘deep carbon,’ supercharging warming
Quantum computing is reaching its make-or-break moment
What’s a quantum computer good for, anyway?
NASA’s Artemis era may finally solve three major moon mysteries
Create as many words as you can!
Stretch your math muscles with these puzzles.
Why we'll never live in space
The puzzle of the first black holes
What if we never find dark matter?
Inside the high-stakes effort to bring natural grass to World Cup stadiums
World Cup kicks off amid outbreak tracking as Mars mission ends and AI fights heat up
Inside the multiyear effort to rename PCOS
Science confirms: Cats help you only when there’s something in it for them
Dogs spontaneously aid struggling humans the way young children do—whereas cats wait until they stand to benefit
Brood X Cicadas Could Cause a Bird Baby Boom
Billions of emerging insects will likely trigger predator population surges—but some species mysteriously opt out of such bounties
How Canadian rock duo Angine de Poitrine play with neurobiology and physics to make viral music
Angine de Poitrine don't abide by the usual rules of Western music, using their own custom-built guitar to strike notes that shouldn't exist
How to tell if your dog is left-pawed or right-pawed, according to science
A step-by-step guide to the “Doginburgh Inventory,” a new pawedness test developed by dog behavior researchers
U.S. gets a new sunscreen ingredient after 27 years—here’s how it works
Dermatologists and skincare aficionados are excited for the U.S. to finally get a new, more protective sunscreen filter after more than 20 years of regulatory roadblocks. Here’s how bemotrizinol works
The Philippines earthquake is massive, but it could’ve been bigger—here’s why
The magnitude 7.8 earthquake that hit the Philippines happened at a subduction zone. Such places are capable of producing the largest earthquakes possible
