The ekpyrotic universe is a beautiful idea that runs headlong into the data. From hand-waved singularities and assumed dark energy…
How do you measure the mass of a dormant black hole in the early Universe? That's a question astronomers at…
Above a certain threshold, galaxies stop growing , no matter how much raw material they have on hand. The question…
NASA named the astronauts who will launch on its Artemis 3 mission next year to test docking procedures in Earth…
Set your alarm for June 10 as Saturn shines beside a bright crescent moon in the predawn sky.
New simulations show that interactions with a magnetic field can work to decrease the distance between still forming binary protostars.…
La tripulación de Artemis III posa para una foto oficial en sus trajes espaciales naranjas (de izquierda a derecha: Andre…
The Artemis III crew poses for an official portrait (from left: Andre Douglas, Luca Parmitano, Randy Bresnik, Frank Rubio).Credit: NASA/Bill…
Earth Observatory Earth Earth Observatory Image of the Day EO Explorer Topics All Topics Atmosphere Land Heat & Radiation Life…
The space economy is accelerating faster than ever before. Thousands of satellites are being launched. Commercial space stations are emerging.…