Whose moon is it anyway? A matching space quiz
In this quiz, you’ll test your cosmic knowledge by matching each moon to the planet it calls home.
Meet ‘lite intermediate black holes,’ the supermassive black hole’s smaller, much more mysterious cousin
There's a gap in black hole masses, and experts believe here is where 'lite intermediate black holes' reside.
James Webb Space Telescope uncovers 300 mysteriously luminous objects. Are they galaxies or something else?
Deep-field images from NASA's James Webb Space Telescope revealed 300 unusually energetic early galaxy candidates, offering new insights into how the universe formed and evolved over 13 billion years ago.
This baby star’s big explosion fired back: ‘Nature is far more complex than humans think’
Astronomers discovered a star-triggered explosion shaping its dusty disk, revealing a far more chaotic and intense environment than previously thought.
Milky Way and zodiacal light glow above telescopes in Chile | Space photo of the day for Aug. 15, 2025
The Milky Way galaxy glows alongside the zodiacal light over the Cerro Tololo Inter-American Observatory (CTIO) in Chile.
Now You Can Get Your Flu Vaccine at Home
The nasal spray vaccine FluMist can now be ordered online and shipped to your door.
How Social Media Algorithms Are Changing the Way People Talk
Algorithmic social media is driving the creation of new slang at a breakneck pace. Linguist Adam Aleksic, also known as the Etymology Nerd, explains how
Scientific American Is Older Than the Discovery of Neptune
Neptune’s discovery was a race that ended not long after this magazine came to be
What Is Experimental Archaeology? Sam Kean Explores Ancient Tools, Surgeries and Feasts in Dinner with King Tut
In his new book, Sam Kean reveals how re-creating ancient tools, techniques and traditions can unlock secrets about how our ancestors lived—and what they felt.
What if we’ve been thinking about dark matter all wrong, scientist wonders
Two exotic new theories suggest dark matter could be either made from tiny black holes or formed by Hawking radiation at the cosmic horizon.