According Einstein's Theory of Relativity, the speed of light operates as a universal speed limit on anything with mass.
Space News & Blog Articles
Inside the latest issue of All About Space, you'll find the universe explained, how auroras form on other planets and the mystery of a 2,000-year-old calculator.
Astronomers found a binary star system that may have formed when a wandering star fell into the gravity of its partner.
The Hubble Space Telescope records a breathtaking new image of the Liller 1 globular star cluster approximately 30,000 light-years away from Earth.
The Space Launch System rocket that will fly NASA's Artemis 1 moon mission is at the pad for a critical launch countdown simulation this weekend.
NASA's Perseverance rover just snapped a photo of a shiny silver object wedged between two Martian rocks. It's part of a thermal blanket that the robot carried with it to the Red Planet.
A newly discovered black hole with a mass 3 billion times that of the sun is growing by rapidly consuming matter and has powered the most luminous quasar for 9 billion years.
The internet is abuzz with rumors that China may have picked up signals from an alien civilization. But the pings are probably just Earthly interference, experts say.
Director Emily Dean discusses making "The Very Pulse of the Machine" for "Love, Death + Robots Vol. 3"
Mesmerizing views of the Strawberry Supermoon thrilled stargazers all over the world yesterday night (June 14) with stunning images arriving from all over the world.
Mercury will reveal itself at pre-dawn tomorrow (June 16) when the planet reaches greatest western elongation. Here's how to see it.
A never-before-seen spacesuit is making its debut with the public opening of a new NASA exhibit, but its reveal is not the only surprise: it was also made by Adam Savage of "Mythbusters" fame.
This full-frame DSLR is a low-light master, perfect for astrophotography, and has comfortable controls to match.
The odd chemical composition of Venusian clouds cannot be explained by extraterrestrial life, as the atmosphere bears no signs of alien pooping and eating, a new study found.
V1674 Hercules is the fastest nova ever discovered, but new research reveals strange new details about this explosive event driven by a feeding white dwarf.
This Lego Marvel playset might be on the simple side, but it’s packed full of fun details.
Astronomers have developed a new model for simulating how clusters of baby stars form and evolve, helping to explain how bubbles of ionized gas are created away from the heart of a galaxy.
The moon floats just above Earth's life-giving atmosphere in a gorgeous photo snapped from the International Space Station by NASA astronaut Jessica Watkins.
The launch of NASA's CAPSTONE moon mission has been pushed back again, this time to no earlier than June 25.
Bethesda Game Studios has released the first gameplay video of its sci-fi magnum opus "Starfield."