
Boo! See the universe’s spookiest sights in time for Halloween
From ghosts to skeletons and even spiders, the cosmos is full of scary surprises

Boo! See the universe’s spookiest sights in time for Halloween
From ghosts to skeletons and even spiders, the cosmos is full of scary surprises

What’s the scariest object in the universe?
It’s Halloween, and nothing is scarier than our terrifying universe


Oldest known Mars rock is a ‘Rosetta stone’ for the Red Planet’s watery past
Blasted off Mars by a giant impact long ago, the meteorite Teghaza 001 eventually fell to Earth in the Sahara Desert. Now it’s revealing previously hidden chapters of Mars’s deep past

Can the world’s religions survive the existence of aliens?
Finding alien life could shake some people to their very souls, but different religions can take very distinct approaches to the existence of extraterrestrial life

Monsters of Ohio mixes sci-fi horror and small-town politics
Scientific American talks to author John Scalzi about his tentacle-filled 20th novel, its balance of hope and cynicism—and the possibility of a Chappell Roan crossover

Astronomers may have just discovered our solar system’s sixth dwarf planet
Located farther away from Earth than Pluto, the object was hidden in the light of the Milky Way’s stars

OpenAI just scooped mathematicians’ work on another million-dollar problem
Another bombshell result shows how artificial intelligence is fueling fierce competition at the frontiers of math and physics

Dueling proofs from OpenAI and Anthropic astound scientists
The results resolve major problems in math, physics and computer science. But like other recent AI-generated “slop drops,” the releases are already controversial

NASA lays out a packed 14-day schedule for Artemis III
The mission, scheduled for the summer of 2027, will include be pivotal in deciding whether SpaceX or Blue Origin supplies the lunar lander for the first crewed trip to the lunar surface in decades

Strange triangular craft reported in new U.S. government UFO release
The latest batch of declassified files includes eyewitness sightings from earlier this year of a flying black triangle performing inexplicable aerial maneuvers

How did Mars get its moons? Japan’s MMX mission is about to find out
Although Phobos and Deimos may look like lumpy space potatoes, they’re actually moons of Mars. No one knows how they formed, but a newly launched spacecraft should soon offer answers

Astronomers unlock a mystery hidden in van Gogh’s The Starry Night
A misidentified constellation could revise the timeline for Vincent van Gogh’s creation of his iconic painting