Solar System

An Amazon rainforest river from space | Space photo of the day for April 30, 2026

By Chelsea Gohd published 30 April 26

The Ucayali River snakes across the rainforest in this image captured by NASA astronaut Jessica Meir from the International Space Station.

NASA chief Jared Isaacman says he's fighting for Pluto: 'I am very much in the camp of 'make Pluto a planet again'

By Mike Wall published 28 April 26

Should Pluto be a bona fide planet again? NASA is working to "revisit the discussion" on Pluto's planethood status, according to agency chief Jared Isaacman.

Could the moon ever be blockaded? Experts predict cislunar space could be the next Strait of Hormuz

By Leonard David published 28 April 26

The ongoing military conflict regarding Iran and the Strait of Hormuz may well mirror a future situation off-Earth — the use of cislunar space, the region between the moon and our planet.

NASA wants to use a fleet of MoonFall drones to scout the lunar south pole: 'We believe we can do it'

By Leonard David published 27 April 26

NASA is exploring ways to use a fleet of drones to explore the lunar south pole with an ambitious new MoonFall project.

This X-ray image shows our solar system 'breathing'

By Robert Lea published 24 April 26

The eROSITA spacecraft has built the most precise map of soft X-rays over Earth, observing a fascinating phenomenon driven by solar winds from the sun.

Famous asteroid Ryugu may have been bombarded by a swarm of tiny space rocks 1,000 years ago

By Robert Lea published 24 April 26

Samples of Ryugu returned to Earth by the Hayabusa2 spacecraft show that the asteroid bears the scars of a recent bombardment by tiny space rocks.

Ice melts in the springtime on Mars | Space photo of the day for April 24, 2026

By Chelsea Gohd published 24 April 26

Springtime has arrived at the Red Planet's Chasma Boreale, as this photo by NASA's Mars Reconnaissance Orbiter shows.

Sun unleashes 2 colossal X-flares within 7 hours of each other, knocking out radio signals on Earth

By Daisy Dobrijevic published 24 April 26

The twin eruptions briefly disrupted radio signals across the dayside of Earth.

What will happen when our sun starts dying? These 'stellar archaeologists' may have found a clue

By Robert Lea published 23 April 26

Acting as stellar archaeologists, scientists have found fossilized magnetism on long-dead white dwarf stars, which may help to explain how stars evolve.