Category: Science

A medieval-looking “helmet” rock spotted by NASA’s Perseverance rover adds to Mars’ gallery of odd shapes.

NASA’s Mars Reconnaissance Orbiter recently photographed Candor Chasma in Mars’ Valles Marineris, the largest canyon in the entire solar system.

This illustration shows the parts of a space shuttle orbiter. About the same size and weight as a DC-9 aircraft, the orbiter contains the pressurized

Learn how aperture, shutter speed and ISO work together in the exposure triangle to help you take full creative control of your photography.

A partial solar eclipse is taking place just hours before the equinox flips Earth’s seasons in September 2025. Here’s where a few lucky humans will

The second and final ‘blood moon’ total lunar eclipse of 2025 is coming on the night of Sept. 7-8. Here’s where the celestial spectacle will

Hawaii’s Kilauea volcano resumed erupting Friday by shooting an arc of lava 100 feet into the air and across a section of its summit crater

Robot Drummer is a simulated program able to learn pop, rock, and jazz songs with reinforcement learning.

It’s still largely a mystery why caffeine withdrawal causes headaches, but researchers have a few ideas.

Perchlorates, a group of toxic chemicals that pollute groundwater, first form on rare particles in the stratosphere, scientists have discovered.

NASA’s Imaging X-ray Polarimetry Explorer (IXPE) telescope has detected unexpected X-ray polarization from the “heartbeat black hole,” formally known as IGR J17091-3624.

Nicknamed ‘Punctum,’ this puzzling phenomenon is highly energetic, but is only seen in millimeter-wavelength light and cannot be explained by any known object.

Pallas’s cat is a small wild cat native to Central Asia with short legs and dense fur, making it look bigger than it really is

Editor in Chief Nancy Shute examines the exciting potential of the new Vera C. Rubin Observatory and muses on the mesmerizing world of fractals.