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  • Sun Apr 19

Summerlike heat is breaking records in the East. Here’s why

6h
Scientific AmericanS

The U.S. just experienced its hottest 12 months on record

9h
Scientific AmericanS

SpaceX punts Starship V3 launch to May 21 as investigation opens into Starbase worker’s death

10h
Scientific AmericanS

What it’s like being stuck in a hantavirus quarantine for six weeks

10h
Scientific AmericanS

‘Sensational’ proof topples decades-old geometry problem

12h
Scientific AmericanS

New NASA Hubble image captures a rare, turbulent galaxy

14h
Scientific AmericanS

Scientists race to develop Ebola drugs as outbreak surges

15h
Scientific AmericanS

Math puzzle: Fix the matchstick equation

18h
Scientific AmericanS

Female beast hunters battled leopards in ancient Rome

18h
Scientific AmericanS

Which problems will quantum computers solve—and when?

19h
Scientific AmericanS

The Riemann hypothesis is a million-dollar math problem hardly anyone is trying to solve

19h
Scientific AmericanS

Science crossword: At the same time

19h
Scientific AmericanS

Readers respond to the February 2026 issue

19h
Scientific AmericanS

Quantum computing is reaching its make-or-break moment

19h
Scientific AmericanS

Poem: ‘Horseshoe Crab’

19h
Scientific AmericanS

New ways to keep from losing muscle on Ozempic

19h
Scientific AmericanS

New high‑resolution map transforms what we know about Roman roads and the Roman Empire

19h
Scientific AmericanS

NASA dreams of a nuclear power plant on the moon. Here’s why

19h
Scientific AmericanS

June 2026: Science history from 50, 100 and 150 years ago

19h
Scientific AmericanS

How commercial satellites are changing modern warfare

19h
Scientific AmericanS

Helion Energy is building a fusion power plant. Can its technology deliver?

19h
Scientific AmericanS

A real quantum leap

19h
Scientific AmericanS

A field guide to quantum computer qubits

19h
Scientific AmericanS

A lamp flickering on and off inspires the math mystery of Thomson's lamp

1d
Scientific AmericanS

Ebola outbreak triggers U.S. ban on travelers from three African nations

1d
Scientific AmericanS

How scientists developed a hantavirus PCR test in a weekend

1d
Scientific AmericanS

Hidden copy of the oldest known poem in the English language leaves researchers ‘speechless’

1d
Scientific AmericanS

The world is less prepared for a pandemic than before COVID. Here’s why

1d
Scientific AmericanS

See a Lincoln Memorial-sized asteroid pass within just 56,000 miles of Earth today

1d
Scientific AmericanS

Trump administration ousts top NIH infectious disease leaders

1d
Scientific AmericanS

The programmer whose code underpins the Internet

1d
Scientific AmericanS

How marijuana rewires the teenage brain

1d
Scientific AmericanS

Hantavirus cruise ship, PCOS name change, a fish that hides in another animal’s ‘butthole’

1d
Scientific AmericanS

Did Homo erectus and Denisovans mate? Tooth proteins hint at ancient trysts

2d
Scientific AmericanS

This small rodent is at the center of theories about the hantavirus outbreak

2d
Scientific AmericanS

These ants navigate with a compass tuned to the moon

2d
Scientific AmericanS

NASA reveals new clues to 2027’s Artemis III, the final test mission before a moon landing

3d
Scientific AmericanS

Scientists catalog the ‘fractal dimensions’ of more than 130,000 islands

3d
Scientific AmericanS

Hantavirus can persist in semen for years, but that doesn’t mean it remains contagious

4d
Scientific AmericanS

A real Mr. Snuffleupagus? Meet the ocean’s strangest new fish species

4d
Scientific AmericanS

This startup wants to make drugs in orbit. If it succeeds, it could transform the space economy

4d
Scientific AmericanS

How to arm yourself against hantavirus misinformation

4d
Scientific AmericanS

Can plants have consciousness? The film Silent Friend reimagines the science

4d
Scientific AmericanS

Asking AI to explain your medical results? What doctors want you to know

4d
Scientific AmericanS

Microbe ‘cities’ may solve a key ocean mystery

4d
Scientific AmericanS

Are astronomers ignoring some of the cosmos?

4d
Scientific AmericanS

Why Black women are at greater risk for fibroids and endometrial cancer

4d
Scientific AmericanS

To celebrate Endangered Species Day, meet the scaly-foot snail, the most metal animal in the world

4d
Scientific AmericanS

U.S. Supreme Court allows mifepristone by mail—for now

5d
Scientific AmericanS

There’s an 82 percent chance El Niño will ‘emerge soon,’ NWS says

5d
Scientific AmericanS
More →

Entries updated May 19, 2026 08:34:41 PM PDT

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