Using ultra-fast laser pulses and special cameras, scientists have simulated an optical illusion that appears to defy Einstein’s theory of special relativity.
One consequence of special relativity is that fast-moving objects should appear…

Using ultra-fast laser pulses and special cameras, scientists have simulated an optical illusion that appears to defy Einstein’s theory of special relativity.
One consequence of special relativity is that fast-moving objects should appear…


The 11th flight test of Starship is preparing to launch as soon as Monday, Oct. 13. The launch window opens at 7:15 p.m. ET.
Monday’s launch is the fifth flight test in 2025. The spacecraft is expected to take astronauts to the moon and eventually…

QUICK FACTS
What it is: NGC 6000, a spiral galaxy
Where it is: 102 million light-years away in the constellation Scorpius
When it was shared: Sept. 29, 2025
Here’s a story for the ages — or maybe a story of the ages.

Earth is lucky to have a magnetic field that shields the planet — and everything living on it — from dangerous cosmic radiation. Without this invisible barrier, Earth would be exposed to the same constant stream of charged particles that…

Earth is lucky to have a magnetic field that shields the planet — and everything living on it — from dangerous cosmic radiation. Without this invisible barrier, Earth would be exposed to the same constant stream of charged particles that…


Internet beamed from satellites is slowly going mainstream. Just a week ago, T-Mobile announced that its T-Satellite service now supports Google Maps, WhatsApp, X, and a bunch of other apps. AT&T and Verizon are already in line, while…

About 4.6 billion years ago, a celestial cloud collapsed, paving the way for our solar system to form. Then, a nebula with strong gravitational pull took shape, kick-starting the birth of the sun. But after that, the details leave more room for…

Comet C/2025 A6 (Lemmon) appears in the sky above Molfetta, Italy, on October 11, 2025, around 6:00 AM to the right of the Big Dipper, before dawn. Comet C/2025 A6 (Lemmon), discovered at the beginning of the year, experiences an unexpected and…