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Articles by Science News Today

Confocal microscopy images of worms of both sexes show high expression of an immune gene (green) upon exposure to a disease-causing bacterium in females (second from left) and males (far right). Other images show the absence of an immune response following exposure to the other bacterium in females (far left) and males (second from right). The males failed to learn from experience, even though their immune response to the harmful bacterium was identical to that of the females. Credit: Weizmann Institute of Science

The Risk-Takers and the Cautious: What Worms Teach Us About the Sexes—And Ourselves

A white-necked jacobin hummingbird. Credit: Lukas Hummel

Why Do Hummingbirds Dress Like Males? Nature’s Clever Costume Game

Artist's illustration of a Dyson Swarm. Credit: Archibald Tuttle

Dyson Swarms: Harvesting the Sun, Heating the Planet

Some of the dwarf galaxies discovered in the Euclid images. Credit: arXiv (2025). DOI: 10.48550/arxiv.2503.15335

Euclid Telescope Uncovers Thousands of Dwarf Galaxies

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The Asteroid That Killed the Dinosaurs: Could It Happen Again?

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Why Are Some Stars Blue and Others Red?

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The Oort Cloud: The Solar System’s Mysterious Outer Shell

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Can We Survive a Supernova Near Earth?

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The Big Bang Theory: The Epic Story of the Universe’s Birth and Beyond

Cosmic ballet or devil’s mask – galaxy triplet NGC 6769-71 (VLT

The Cosmic Ballet: How Galaxies Move Through Space

The precise location in the night sky of the galaxy JADES-GS-z14-0, an extremely tiny dot in the Fornax constellation. Credit: ALMA (ESO/NAOJ/NRAO)/S. Carniani et al./S. Schouws et al/JWST: NASA, ESA, CSA, STScI, Brant Robertson (UC Santa Cruz), Ben Johnson (CfA), Sandro Tacchella (Cambridge), Phill Cargile (CfA)

Ancient Oxygen Discovery in the Most Distant Galaxy Ever Seen is Rewriting Cosmic History

H I column-density map of KK153 from the FAST observation shown in white contours overlaid on the DESI-RGB (g, r, z) image in color scale. Credit: arXiv (2025). DOI: 10.48550/arxiv.2503.08999

FAST Discovers an Ancient, Gas-Rich Ultra-Faint Dwarf Galaxy

What if dark energy is not what we thought it was? This strange force could be weakening over time, observations suggest.

Dark Energy Might Be Changing—And It Could Rewrite Our Understanding of the Universe

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Neutron Stars: The Most Dense Objects in the Universe

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Exploring the Far Side of the Moon: What Lies Beneath?

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How Planets Form: From Dust to Worlds

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The Life Cycle of a Supernova: The End of a Star

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What Happens Inside a Black Hole?

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Decoding Starlight: Spectroscopy in Astronomy

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Jupiter’s Great Red Spot: Storm of the Centuries

(A) The experimental setup for testing a three dimensional architected material, (B) a close-up of the material to be tested, and (C) the diamond lattice structure made of spiraled strands. Credit: The American Physical Society and Physical Review X

Unlocking the Secrets of Strength: How Scientists Cracked the Code of Networked Materials’ Toughness

A frame of the group's high-speed recording after popping a homebrewed bottle of beer. Credit: Max Koch

The Science Behind the “Pop!” – Cracking Open the Physics of Swing-Top Bottles

(Left) In the conventional theory of the Mpemba effect, the relaxation speed is quantified using a specific distance measure, such as the total variation distance and the Kullback-Leibler divergence. (Right) This study proposes a new framework based on thermomajorization, which comprehensively evaluates the relaxation trend by simultaneously utilizing all monotone measures. Credit: Tan Van Vu & Hisao Hayakawa.

The Mpemba Effect: Why Hotter Sometimes Cools Faster — And How Scientists Are Finally Making Sense of It

Liam McEvoy, a fourth-year UC Berkeley student majoring in anthropology and minoring in Egyptology, has spent much of his time on campus studying the cultural significance of the Egyptian blue lotus and the chemical properties that differentiate it from products sold online. Credit: Diego Moran/UC Berkeley

The Mysterious Blue Lotus: Ancient Egypt’s Sacred Flower, Rediscovered

Cryo-EM structure of the LTag hexamer bound to forked DNA and ATP in a pre-hydrolysis state. Credit: Taha Shahid et al

Scientists Witness the Exact Moment DNA Unwinds—Revealing the Nanomachine Powering Life Itself

Cubillas reservoir with Sierra Nevada mountains in the background. Credit: Elizabeth Leon-Palmero

The Hidden Danger in Our Waters: How Sunlight Supercharges a Potent Greenhouse Gas

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Swirling Mysteries at the Heart of the Milky Way: Astronomers Unveil Unexpected Filaments with ALMA’s Vision

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Stable Megastructures in Binary Star Systems

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The Coldest Places in the Universe

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Cosmic Inflation: The Universe’s Rapid Baby Boom