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Mars and Jupiter get chummy in the night sky. The planets won't get this close again until 2033

As Voyager 1's mission draws to a close, one planetary scientist reflects on its legacy

Voyage to the Sun: NASA’s Parker Solar Probe Completes 16th Close Approach

A seed survival story: How trees keep 'friends' close and 'enemies' guessing

How Close Can a Planet Get to a Star and Still Be Habitable?

Close-In Giant Exoplanet Escapes Engulfment by Its Red-Giant Host

Found: A Jupiter-Like Planet Orbiting A Sun-Like Star Close To Us

Spacecraft Sends Back Stunning Close-Ups Of Mercury During Flyby

European probe captures stunning up-close views of planet Mercury during brief flyby (video, photos)

Europe's BepiColombo spacecraft to zoom within 150 miles of Mercury in close flyby today

Close up on aging reveals how different cell types in the body age at different pace

Parker Solar Probe Flies Close Enough to the Sun to See the Source of the Fast Solar Wind

NASA Probe Flew So Close To The Sun It Saw Solar Wind Being Born

A Craft Has Flown Close Enough to The Sun to Detect The Source of Elusive Solar Winds

Reusable packaging revolution is close

The Sun Gets Its Close-up: Images from New Solar Telescope

Massive new supernova discovered in Pinwheel Galaxy; close enough to be seen through amateur telescopes

How to Close the Gender Health Gap

Star Swarms Reveal a Hidden Beast: NASA’s Hubble Hunts for Black Hole Close to Earth

NASA's Hubble hunts for intermediate-sized black hole close to home