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Astronomy

A Crisper Look at a Cosmic Creepy Crawler

Illuminating new details of the Red Spider Nebula have emerged

October 28, 2025

What Happens in Space Matters on Earth

Dagomar Degroot’s three greatest revelations while writing Ripples on a Cosmic Ocean

October 28, 2025

Can We Beam Away Our Space Junk Problem?

A plan to use ions to clear out the crowded low Earth orbit

October 27, 2025

This Spiritual Eclipse Calendar Might Still Work

The remarkable accuracy behind the Maya people’s eclipse forecasts may have emerged from an astrological calendar system that could still hold true

October 27, 2025

The Dark Side of Putting Mirrors in Space

On-demand sunlight could be a shady undertaking

October 23, 2025

Why Have We Never Sampled an Interstellar Comet?

A cosmic coincidence could give us an unprecedented look at a visitor from another solar system. If all goes well.

October 23, 2025

The Nautilus Reading List About the Cosmos

Our writers have read a universe of books on space and astronomy. Here are their favorites.

October 15, 2025

Could the Sun’s Orbit Shape Evolution?

The connection between our massive star and the tiniest microplankton

October 14, 2025

Seeking Signs of Life on Venus

The first private mission to the morning star will sample for traces of biological activity in the planet’s clouds

September 30, 2025

Extraterrestrials are People, Too

Should we grant legal rights to extraterrestrial lifeforms before we find them?

September 24, 2025

New Eyes on Space Weather

From threats of solar storms to cosmic radiation, new efforts to warn Earthlings are launching

September 23, 2025