
How Superman Helped Launch the Hubble Space Telescope
Long before it orbited Earth, the Hubble Space Telescope starred in a famous Superman comic

How Superman Helped Launch the Hubble Space Telescope
Long before it orbited Earth, the Hubble Space Telescope starred in a famous Superman comic

The Three Types of Twilight
At dusk and dawn, the sky dances with three phases of in-between light


Fastest Known Planetary System Might Have Been Pushed by Our Galaxy’s Supermassive Black Hole
This blazingly fast star is shooting through the Milky Way with a planet in tow

Treat or Trick? Astronomical Objects Are Beautiful—And Creepy
If you’ve ever seen faces in clouds, these heavenly entities will leave you haunted

Why Does the Moon Look Bigger Near the Horizon?
The rising moon looks huge on the horizon, but it’s all in your head

NASA’s Europa Clipper Spacecraft Aims for Jupiter’s Most Intriguing Moon
For the first time, we are sending a spacecraft to explore an alien ocean world—a moon that might host life today

A ‘Once-in-a-Lifetime’ Nova Explosion Is Running Late
The famous exploding star T Coronae Borealis is due to detonate any day now, but it’s running a little late

Astronomers Spot a ‘Super-Mars’ Exoplanet around Barnard’s Star
Claims of worlds orbiting Barnard’s star have been made before. But an advanced instrument could provide the breakthrough that finally confirms the star hosts a planetary system

How Dark Is the Night Sky?
The night sky isn’t perfectly dark—instead it glows faintly, and the source isn’t exactly local

Will This Comet Be the Brightest of 2024?
Comet C/2023 A3 (Tsuchinshan-ATLAS) could soon shine very bright in Earth’s skies

Meet Earth’s New Mini Moon
A small asteroid, 2024 PT5, will spend the next two months alongside our planet as a mini moon before swooping back to deep space

There’s Nothing ‘Super’ about a Supermoon
Supermoons are popular in the media, but are they really so different from how our extraordinary moon ordinarily appears?