Science

SpaceX’s Starlink satellites will be visible for long stretches of the night. Credit: SpaceX

What is the future of megaconstellations?

Artist's impression of a Sun-like star near a supermassive black hole. Credit: ESO, ESA/Hubble, M. Kornmesser

Will black holes eventually consume everything in the Universe?

Venus and a starry night sky over the Cotswolds. Photo by Tim Graham/Getty Images

Why Venus is called the morning star or the evening star

Supernova destroying planet, illustration. A rocky planet lies in the wake of its star, which has just gone supernova. The explosion shatters the planet. Credit: Mark Garlick / Science Photo Library.

How close would a supernova have to be to affect life on Earth?

How to calculate the length of time it takes Earth to rotate. Credit: Pawel Wewiorski / Getty

Calculate the speed of Earth’s rotation by observing the night sky

Dozens of previously obscured galaxies in the ‘zone of avoidance’ have now come to light . Artist's illustration. Credit: ICRAR

Dust from the Milky Way has been hiding a cluster of galaxies – until now

Artist's impression of Gaia BH1, the closest known black hole to Earth. Credit: International Gemini Observatory/NOIRLab/NSF/AURA/J. da Silva/Spaceengine/M. Zamani

Astronomers discover the closest known black hole to Earth

The Great Wall of China at night. Credit: bjdlzx / Getty Images

Can you really see the Great Wall of China from space?

What would happen if Earth's magnetic field flipped? Credit: Elen11 / iStock / Getty Images Plus

Scientists discover how a reversal of Earth’s magnetic field could affect our climate

Artist's impression of the ASKAP radio telescope detecting a fast radio burst. Credit: OzGrav/Swinburne University of Technology

Radio Astronomy Podcast Making contact with extra-terrestrial intellience

IceCube’s 2022 winterovers at the geographic South Pole, where they combined Midwinter Day celebrations with a Pride parade. Credit: Aman Chokshi - SPT and NSF

How scientists in Antarctica get a double dose of Christmas

The three wise men. Credit: Mlenny / Getty Images

Did the Star of Bethlehem really exist?

Gravitationally-lensed galaxy 9io9, discovered by TV viewers and wowing scientists ever since. Credit: NASA/ESA/Hubble/Meli thev

How Stargazing Live viewers found a galaxy that’s key to the early Universe

The Christmas Tree Cluster. This image was captured using the Wide Field Imager camera attached to the 2.2-metre Max-Planck Society/ESO telescope at La Silla Observatory, 2,400m high in the Chilean Atacama Desert. Credit: ESO

Christmas Tree Cluster: NGC 2264 glows a festive red

What happens when a sun-like star meets a black hole

Astronomers discover what happens when a Sun-like star meets a black hole