Are We Living Inside a 2-Billion-Light-Year Void?

Are We Living Inside a 2-Billion-Light-Year Void?

A translucent bubble-like underdense region of space at the center of the cosmic web, with bright galaxy clusters and golden filaments streaming outward from its edges toward denser glowing walls

A Sol on Mars: One Day in a Human Martian Colony

An astronaut in a slim white suit standing on a rocky Martian ridge watching a brilliant blue glow spread around the setting sun, Earth a faint pale-blue star above, a small domed colony glowing in the valley below

The Flying Roadster: Real Rocket Science, Not a Car Story

A small glowing vehicle ascending over a rocket test facility at night beneath the Milky Way, with expanding ring-shaped thruster plumes and long-exposure light trails

What If the Sun Became a Black Hole?

Earth frozen completely solid, its whole surface locked in blue-white ice, hanging in a pitch-black starfield with no sun

How to Turn Mars Into Earth: The Step-by-Step Blueprint

A superconducting magnetic shield station at the Mars–Sun L1 point deflecting the solar wind

Dyson Spheres: Have We Already Spotted an Alien Megastructure?

A star encircled by a Dyson swarm, glowing with industrial waste heat in the infrared

The Biggest Black Holes in the Universe, Ranked

The quasar TON 618 blazing at the heart of a distant galaxy

The Fermi Paradox: Where Is Everybody?

A radio telescope array listening to the night sky for signals from deep space

Project Starshot: Sailing to Alpha Centauri at 20% Light Speed

A lightsail probe approaching Proxima Centauri, its destination star glowing ahead

What’s Inside a Black Hole? The Singularity Problem

A fuzzball: a black hole imagined as a tangled ball of quantum strings with no singularity

EHT Films a Hot Spot Orbiting Sagittarius A*

Radio dishes of the Event Horizon Telescope array under the Milky Way, the galactic center glowing above

Fast Radio Burst Repeats Every 16 Days, Stumping Astronomers

A giant radio telescope dish receiving a brilliant pulse of radio waves arriving from deep space

A Sharper Spectrum of K2-18 b Reopens the Ocean World Debate

Close-up of an ocean world exoplanet limb with a glowing teal atmosphere at the terminator

JWST Reveals Hidden Star Nurseries in Carina’s Cosmic Cliffs

Newborn stars emerging from dark dusty pillars inside a stellar nursery, glowing blue and gold

JWST Spots "Naked" Black Hole Seeds That Skipped Stellar Birth

Faint red primordial galaxies at cosmic dawn with a brilliant point of light marking a nascent black hole seed

Are Europa’s Water Plumes Real? Clipper Is Built to Find Out

A spacecraft flying over the cracked ice of Europa as a water vapor plume erupts behind it, Jupiter looming

Ship-to-Ship Refueling: the Key to the Moon and Mars

Two stainless steel Starships docked nose-to-nose in Earth orbit transferring propellant above a sunrise Earth