
The Face on Mars and Other Cases of Cosmic Pareidolia
The human brain loves seeing patterns, even when they aren’t really there

The Face on Mars and Other Cases of Cosmic Pareidolia
The human brain loves seeing patterns, even when they aren’t really there

JWST’s ‘Little Red Dots’ Offer Astronomers the Universe’s Weirdest Puzzle
The James Webb Space Telescope’s search for the earliest stars and black holes has yielded a very weird, very red, puzzle


Supernova Slowdowns Confirm Einstein’s Predictions of Time Dilation
Analyzing 1,504 supernovae into the distant universe, astronomers have shown the clearest evidence yet for cosmological time dilation as predicted by Einstein

JWST Detects the Earliest, Most Distant Galaxy in the Known Universe—And It’s Super Weird
NASA’s James Webb Space Telescope observed an unusually large and highly luminous galaxy at a record-breaking 290 million years after the big bang

How Can You ‘See’ a Black Hole?
How do astronomers find the darkest objects in the universe?

Our Galaxy’s Biggest Black Hole Just Got a New Close-up. What’s Next Could Be Even Wilder
As the Event Horizon Telescope pursues ambitious upgrades, the project’s latest results reveal the magnetic fields around our galaxy’s supermassive black hole

How Tides Move Heaven and Earth
The ocean’s twice-daily rise and fall is only the most obvious effect of tides—they slow Earth’s spin and shape stars and galaxies, too

Do Stars Outnumber the Sands of Earth’s Beaches?
Figuring out whether there are more stars in the universe than sand grains on Earth’s seashores requires math—and imagination

First-Ever Magnetic Map of Milky Way’s Black Hole Reveals a Mystery
Polarized light from Sagittarius A*, our galaxy’s supermassive black hole, shows swirling magnetic fields that may hint at the presence of an unseen jet

Astronomers Fight to Save X-ray Telescope as NASA Dishes Out Budget Cuts
The Chandra X-ray Observatory faces a premature end under new funding cuts proposed by NASA—and astronomers aren’t happy

The Scale of Space Will Break Your Brain
The scale of the cosmos exceeds the bounds of human comprehension. But that doesn’t mean the universe is beyond our understanding

JWST Will Finally Hunt for Alien Moons—And Much More
The next year of science for the James Webb Space Telescope has been selected. It includes remote galaxy observations and, at last, a hunt for exomoons