Science

An artist's impression showing the Lucy spacecraft flying by a Trojan Asteroid near Jupiter.

Lucy: The Mission to explore the Trojan Asteroids

NASA scientists analyse one of the Ryugu samples that have been distributed around the world.

Why do astronomers study samples from other worlds?

Diagram representing the curvature of spacetime by Earth and the Sun. Credit: vchal / iStock / Getty Images Plus

Astronomy explained Is space curved or flat?

Hubble has helped to define the shape of the Ring Nebula, revealing it to be doughnut shaped, with lower density material at its core. Credit: Credits: NASA, ESA and the Hubble Heritage (STScI/AURA)-ESA/Hubble Collaboration

Astronomy explained What is a planetary nebula?

What is spacetime? Credit: coffeekai / Getty Images

Astronomy explained What is spacetime?

Illustration showing dinosaurs observing the landing of the asteroid that created the Chicxulub crater. Credit: Elena Duvernay/Stocktrek Images/Getty Images

What was the asteroid that killed the dinosaurs?

An artist's impression of the underground Einstein Telescope, which will detected gravitational waves. Credit: NIKHEF

How the Einstein Telescope will study gravitational waves

Suomi NPP

How Earth-orbiting satellites monitor climate change

This composite image of the moon using Clementine data from 1994 is the view we are most likely to see when the moon is full. Image Credit: NASA

Astronomy explained Why do we always see the same side of the Moon?

An illustration showing what generates Hawking radiation.

Astronomy explained What is Hawking radiation?

Equinoxes occur when the Sun crosses the celestial equator. For Earth, this is the point that the planet’s axis points neither towards nor away from the Sun. Credit: BBC Sky at Night Magazine

Autumn equinox 2021: when it is and what it means

Tom Johnson Celestron

How mass-produced telescopes brought astronomy to the masses

The Lunar Ark’s cryogenic storage could be powered by solar panels. Credit: 3000ad/Alamy Stock Photo

Could an ark on the Moon ensure Earth’s survival?

A Chandra X-ray Observatory image of galaxy NGC 4636

X-ray reveals the secrets of the Virgo Cluster

Artist’s conception of the view toward the young star Beta Pictoris from the outer edge of its disk. This disk of dust and gas orbiting the star is produced by collisions between and evaporation of asteroids and comets. Credit: NASA/FUSE/Lynette Cook

Did planetary migration stunt Mars’s growth?