pranks "Mars Sucks" billboard shows up in front of SpaceX HQ to celebrate Earth Day Gareth Branwyn

environmentalism Today is Earth Day. Watch this message from Carl Sagan. David Pescovitz

protests Protestors dump piles of manure at the White House, crying BS to Biden's climate plan Carla Sinclair

trumpism This Earth Day, join the Global March for Science Cory Doctorow

recycling Five easy ways to reduce trash Caroline Siede

Astronaut's astonishing photo captures a real 2001"Star Gate" moment in space Allan Rose Hill

Science Blue Ghost lunar lander delivers spectacular photo of solar eclipse from the moon Allan Rose Hill

Space New photo of tiny and mysterious Mars moon Allan Rose Hill

Science Likelihood of Alaska's Mount Spurr volcano erupting increases Jason Weisberger

canceled liftoffs Musk calls pilot the R-word over astronaut delay — then delays SpaceX flight to ISS Carla Sinclair

Entertainment You can now queue for "Guardians of the Galaxy: Cosmic Rewind," one of Disney's best rides Ruben Bolling

Space Watch stunning footage of private lunar lander beautifully stick its landing Sunday Allan Rose Hill

RIP Gene Hackman found dead at home — along with wife, Betsy Arakawa, and their dog Carla Sinclair

Science The clouds above us teem with strange creatures Allan Rose Hill

Science Laser 'license plates' help satellites dodge orbital collisions Gail Sherman

Science That city-killing space rock now has even better odds of ruining everyone's day by instantly vaporizing them Ellsworth Toohey

politics Luigi Mangione shares first public statement since incarceration Grant St. Clair

top talent Primus' new drummer submitted an awesome audition—Hear it for yourself! Jennifer Sandlin

New documentary about John C. Lilly, the scientist who used LSD to communicate with dolphins and invented the sensory deprivation tank (video) Allan Rose Hill

music Green Day to Chili Peppers: Artists rally for fire-ravaged Los Angeles Mark Cerulli