The space sector is experiencing a renaissance driven by private companies and renewed government investment. This hub covers NASA, SpaceX, ESA, telescope discoveries, planetary science, and the rapidly expanding commercial space economy.
ScienceGuide
We have confirmed more than 6,000 planets around other stars. We have directly photographed about 98 of them. Here is how the other 98% were found, and why that method leaves our map of the galaxy badly distorted.
ScienceGuide
Light weighs nothing, yet it warms your skin, powers solar panels, and even pushes spacecraft. Here's the physics of how a massless photon carries energy — and momentum.
ScienceAnalysis
Our standard model of the cosmos has worked beautifully for decades. Now precision data — DESI's evolving dark energy and the Hubble tension — are cracking it. What's going on, in 2026.
NASA's Artemis program aims to return humans to the lunar surface in the mid-2020s, with SpaceX's Starship serving as the human landing system.