Science
Psyche Mars Flyby: How a Gravity Assist Gave NASA’s Probe 1,000 mph for Free
NASA's Psyche probe passed Mars on May 15, 2026, gaining about 1,000 mph and a one-degree orbital tilt without using fuel. Here…
Vestigial Organs: Do the Appendix and Tailbone Have a Purpose?
Vestigial means reduced from an earlier function, not worthless. Here is what the appendix, tailbone and wisdom teeth actually do.
Inside Smile: The Lobster-Eye X-Ray Camera and Aurora Imager Built to Map Earth’s Magnetic Shield
ESA and CAS's Smile spacecraft just released its first ultraviolet aurora footage. Here is how its four instruments, lobster-eye X-ray optics, and…
Artemis II Lunar Flyby Explained: How Orion Went 252,756 Miles Out and Came Home
Artemis II looped four astronauts around the Moon on a free-return path and set a crewed distance record. Here is how the…
What Is Consciousness? The Main Scientific Theories Compared
No theory of consciousness is agreed. Here are the leading scientific contenders, how they differ, and what a 2025 head-to-head test found.
What Is DNA Made Of and How Does It Actually Work?
DNA is a chain of nucleotides whose base order works like a code. This article covers its structure, copying, the genetic code…
Gene therapy for sickle cell disease: what it is and how it works
Two one-time gene therapies were approved for sickle cell disease in December 2023. Here is how each works and what the evidence…
AmScope B120C-E1 Review: Solid Student Scope, Weak Camera
A binocular compound microscope with a mechanical stage and oil objective at a mid-range price. Shopper feedback and published reviews are weighed,…
Rubin Observatory LSST Begins: A Ten-Year Movie of the Southern Sky, in Numbers
Rubin Observatory's ten-year survey began June 30, 2026, with a 3,200-megapixel camera, about 10 terabytes of data nightly and up to seven…
Xenotransplantation: Can Pig Organs Be Transplanted Into Humans?
Gene-edited pig organs have been transplanted into a small number of people. Here is what has worked, what has not, and what…