Astronomy

An artificial intelligence breakthrough uses reinforcement learning to tackle the Andrews-Curtis conjecture, solving long-standing counterexamples and hinting at tools for forecasting stock crashes, diseases and climate disasters

New research is revealing how disease-smelling dogs can excel

From planets roaming space to major shifts in health funding, catch up with this week’s news roundup.

As space becomes more important to the economy of nations around the world, the risk of paper mills flooding the literature with fraudulent results is increasing.

This chunky star projector is a good choice for kids thanks to its low price and easy-to-use functions.

What are these gigantic blue arcs near the Andromeda Galaxy (M31)?

Both science fiction and real life have some interesting spacecraft names, sometimes borrowing from each other. This quiz will test to see if you know the difference.

The rate of human-produced light is increasing in the night sky by as much as 10% per year, making it difficult for astronomers to study the night sky.

Twin orbs of superhot plasma at the Milky Way's center known as the "Fermi bubbles" contain inexplicable clouds of cold hydrogen, new research reveals.

Napoleon’s campaign against the Russian Empire was one of the most costly wars in history. Many soldiers died of diseases. Some of these illnesses are only now being identified

The 2025 full 'Sturgeon Moon' graced the night sky on Aug. 9.

Spot Saturn near the moon on Aug. 11! See them with the naked eye and learn what to expect through a telescope.

Imagine building an entire city on the Moon using nothing but sunlight and lunar soil! Chinese scientists have made this science fiction dream a reality by creating a revolutionary machine that acts like a solar powered 3D printer, melting lunar soil at temperatures exceeding 1,300°C to create strong construction bricks. This technology could transform space exploration by eliminating the need to transport heavy building materials from Earth, making lunar bases not only possible but affordable.

In about a week the

Set an alarm and take a peek east in early dawn to follow Venus and Jupiter through their spectacular conjunction this week.

The post This Week's Sky at a Glance, August 8 – 17 appeared first on Sky & Telescope.

Direct images from the James Webb Space Telescope show what could be a Saturn-mass planet around Alpha Centauri.

The post Alpha Centauri Might Have a Planet, Webb Telescope Finds appeared first on Sky & Telescope.

Even today, the names of women in astronomy are not as well known as they should be.

The post Honoring the Women of Astronomy appeared first on Sky & Telescope.