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How to See Interstellar Comet 3I/ATLAS as It Swings by Earth One Last Time

What Your Sleep Profile Reveals about Your Health

These Orcas Are on the Brink—And So Is the Science That Could Save Them

The Hype behind Expensive Probiotic Supplements

Science Crossword: Pointing South

Science Carries On. Here Are Our Top Topics for 2026

Readers Respond to the September 2025 Issue

Poem: ‘Large Hadron Collider,’ ‘Maxwell’s Demon’ and ‘Music for the Heat Death of the Universe’

Mysterious Bright Flashes in the Night Sky Baffle Astronomers

Meet Your Plastic Pal

Meet Your Future Robot Servants, Caregivers and Explorers

January 2026: Science History from 50, 100 and 150 Years Ago

Interoception Is Our Sixth Sense, and It May Be Key to Mental Health

Heart and Kidney Diseases, plus Type 2 Diabetes, May Be One Illness Treatable with Ozempic-like Drugs

Global Warming Could Skew Reptile Sex Ratios and Lead to Extinctions

RNA May Be Common throughout the Cosmos, New Study Suggests

Getting a COVID Vaccine while Pregnant Slashes Risk of Premature Birth, Major New Study Finds

How Rising Rates of Uninsured Children Will Increase Pediatric Cancer Deaths

Videos Show Hummingbirds Jousting Like Medieval Knights in Rare Mating

2025 Nears Climate Heat Record, Mpox Variant Discovered, and Hobbit Extinction Explained

Trump Officials Keep Comparing the U.S.’s Vaccine Schedule to Denmark’s. They’re Missing the Point

How Conifers and Christmas Trees Secretly Shaped U.S. History

Why Humanoid Robots and Embodied AI Still Struggle in the Real World

New Cell Transplant Therapy Restores Insulin Production in Patient with Type 1 Diabetes

What Is 'Spoofing'? How a U.S.-Seized Oil Tanker Reportedly Tried to Evade Detection

Health Experts Slam Possible FDA ‘Black Box’ Warning for COVID Vaccines

Photos Reveal Moths Sipping Tears from a Moose

What Time Is It on Mars?

AI as the New Empire? Karen Hao Explains the Hidden Costs of OpenAI’s Ambitions