SpaceX Launches Rocket with "Highest-Ever Reentry Force"
The company has now landed a recycled rocket for the second time
Purch
Still a Glaring Problem: How a Solar Eclipse Can Fry Your Eyes
From chemical changes to thermal burns, a rundown on exactly what staring at the sun can do
New Biofuel Could Work in Regular Diesel Engines
The need for specially designed engines to run biodiesel is holding back the technology
Elon Musk Publishes Plans for Colonizing Mars
The billionaire entrepreneur and founder of SpaceX wants to make humanity a "multi-planetary species”
Could Tiny Fusion Rockets Revolutionize Spaceflight?
A small NASA-funded company is slimming down nuclear fusion reactors for space science
What's Next for NASA's New Astronaut Class?
A dozen new candidates were chosen from more than 18,000 applicants. Now the real work begins
Quirky Quarks Could Reveal Details of the Big Bang
Scientists flag unexpected behavior by “charm” quarks produced at Brookhaven National Laboratory
For First Time, Einstein's Relativity Used to Weigh a Star
Scientists employ ‘gravitational lensing’ to measure the mass of a white dwarf
Hunting Big Game: Why People Kill Animals for Fun
Thousands of people each year visit wild spaces across Africa with guns in hand. They’re playing a dangerous game
Celestial Harmonies Pin Down Orbit of Exoplanet TRAPPIST-1 h
Orbital resonances reveal the Earth-size world circles its star every 19 days
