Globular clusters are stable, tightly bound clusters of tens of thousands to millions of stars. The Milky Way Galaxy contains more than 150 globular clusters. They are arranged in a nearly spherical … [+1050 chars]
Globular clusters are stable, tightly bound clusters of tens of thousands to millions of stars. The Milky Way Galaxy contains more than 150 globular clusters. They are arranged in a nearly spherical … [+1050 chars]
NASA released a new photograph of galaxy cluster SMACS 0723 last week which depicts a cluster of galaxies in space invisible to the human eye. The image was captured by the James Webb Space Telescop… [+2176 chars]
Particles can move as waves along different paths at the same timethis is one of the most important findings of quantum physics. A particularly impressive example is the neutron interferometer: neutr… [+5929 chars]
Like humans take aspirin to treat a stress-induced splitting headache, plants have their own natural remedy for stress. Known as salicylic acid, plants naturally create this chemical substance when e… [+2775 chars]
This story is part of Welcome to Mars, our series exploring the red planet. I feel very connected to NASA's Curiosity rover right now. I, too, have detoured from my hiking path to get a closer look… [+2077 chars]
Part 1 of this essay described the science, technology and history behind the fantastic images delivered by the James Webb Space Telescope. This second and concluding installment considers the theori… [+12211 chars]
Among the many functions performed by skeletal muscles, an important one is maintaining our posture. If it weren't for these muscles, Earth's gravitational pull may make it difficult for us to stand … [+4610 chars]
If chemists built cars, they'd fill a factory with car parts, set it on fire, and sift from the ashes pieces that now looked vaguely car-like. When you're dealing with car-parts the size of atoms, … [+3645 chars]
Nebula is a Latin word meaning "cloud", but in an astronomical context, it refers to any celestial object which appears cloud-like when viewed through a telescope. When telescopes weren’t as powerfu… [+6969 chars]
The James Webb Space Telescope's first stunning images of the distant universe have been followed up by something a little closer to home. Data collected during the telescope's commissioning period,… [+3239 chars]
Remember when Elon Musk launched a car into space? That car's not just peacefully drifting through a vacuumit's hurtling around the sun at 63,592 miles per hour, being bombarded by solar radiation. I… [+707 chars]