Space

This false-colored image of Mercury reflects the varying age and mineral composition of the surface.

The Seven Most Amazing Discoveries We’ve Made by Exploring Mercury

Only two robotic missions have made it to the Swift Planet, but they were crucial for upending many false assumptions of that sun-scorched world

Wide-ranging anecdotal reports and studies suggest many animals respond to a total solar eclipse, whether by showing anxiety, performing nighttime behaviors or doing something unexpected.

How Do Animals React to a Total Solar Eclipse? Scientists Document Strange and Surprising Behaviors

Nature enthusiasts work with researchers to figure out how creatures respond to the celestial phenomenon

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There's More to That

Why We Love Eclipses

Two perspectives on the astronomical phenomenon that has fascinated humans for as long as we’ve been watching the skies

A total solar eclipse as seen from Kentucky in 2017

How Ancient Civilizations Reacted to Eclipses

Communities may have thought the celestial events were messages from the gods, a reason to abandon a settlement or a cue to end a war

The Whirlpool Galaxy (also known as M51), located 31 million light-years from Earth, is a particularly radiant object seen during the Messier marathon. This image was captured by the Hubble Space Telescope—skywatchers looking through a backyard telescope or binoculars would see the galaxy in far less detail.

What It Takes to Complete the Ultimate Skywatching Endurance Challenge

The "Messier marathon" prompts space hobbyists to spot 110 celestial objects in one night, and the best time to try it is in March

NASA’s Mariner 10 spacecraft captured this view of Venus. The world has blistering surface temperatures, crushing atmospheric pressure and clouds of corrosive acid.

The Six Most Amazing Discoveries We’ve Made by Exploring Venus

Our sister planet’s cloudy exterior gave it an aura of mystery—until humanity developed the technology to probe past the veil

This prototype of the Mars Ingenuity helicopter achieved the first successful free flight under simulated Martian conditions (on Earth) in 2016.

Prototype for Mars Helicopter Will Soon Be on Display at National Air and Space Museum

The surprisingly long-serving Ingenuity ended its historic service after breaking a rotor

An artist’s rendering of a pantheon of planets similar to Earth

This Planned NASA Telescope May Help Us Identify Worlds Like Our Own

The innovative Habitable Worlds Observatory will offer ways to detect signs of life on other planets

I thought I saw more red foliage this fall. Is that related to climate change?

Does Climate Change Affect Leaves' Fall Colors? And More Questions From Our Readers

You’ve got questions. We’ve got experts

Solar eclipse viewers at NASA’s Johnson Space Center on October 14, 2023

Nine Dazzling Celestial Events to Watch in 2024

Skywatchers can expect spectacular meteor showers, a comet soaring past Earth and a long-anticipated total solar eclipse

Our ten favorite science books of the year covered everything from astronomy to undersea exploration.

The Best Books of 2023

The Ten Best Science Books of 2023

From stories on the depths of the ocean to the stars in the sky, these are the works that moved us the most this year

Why can't machines process CO2 the way trees do?

Why Can't Machines Process CO2 Like Trees? And More Questions From Our Readers

You’ve got questions. We’ve got experts

Can every living thing be traced to a single cell?

Can Every Living Thing Be Traced to a Single Cell? And More Questions From Our Readers

You’ve got questions. We’ve got experts

In 1980, the Viking Orbiter took 102 individual images of Mars that scientists eventually assembled into this stunning composite photo. The dark gash across the planet’s face is the Valles Marineris, a canyon that’s up to 6 miles deep and over 2,500 miles long.

The Seven Most Amazing Discoveries We’ve Made by Exploring Mars

Scientists have learned a lot since they started sending crafts and rovers to our red neighbor

The James Webb Space Telescope will help scientists look for signs on life on other planets.

What Would Signal Life on Another Planet?

Astronomers have long debated what kind of chemistry might serve as a bona fide alien biosignature

Outside of Earth, is there any place a human could survive unprotected for even ten seconds?  

Could Humans Survive Unprotected Outside of Earth's Atmosphere for Even Ten Seconds?

You’ve got questions. We’ve got experts

A supermoon rises in Washington, D.C., on March 9, 2020.

How Rare Is the 'Super Blue Moon' Appearing in Skies Later This Week?

And why do they even call it a "blue moon" when it won't actually be that color?

A simulation of the planned Orbital Reef space station will be used for the film Helios.

What Does Hollywood’s Future in Space Look Like?

A new generation of private space stations is opening up a promising frontier for movies and television shows

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From Damaging Radiation to Tremendous Temperatures, These Materials Are Built to Withstand the Harsh Conditions of Space

The infinite wonder of space awaits further exploration, and SCHOTT will be there, pushing the boundaries of glass technology to new horizons each year

Data from Webb’s Near-Infrared Camera were used to make this extremely detailed image of the Southern Ring Nebula.

Seven Amazing Accomplishments the James Webb Telescope Achieved in Its First Year

The observatory has yielded jaw-dropping shots—and surprising facts—about our universe

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