The Milky Way is one of the biggest in the observable universe: Even if you traveled at the speed of light, it would take 100,000 years to go from one end of our home galaxy to the other.
Andromeda XXXV is only about 20,000 times more massive than our Sun—very small, even for a satellite galaxy. For comparison, ...
At the center of our galaxy, hidden behind dense clouds of gas and dust, the black hole Sagittarius A* rotates rapidly, ...
A SpaceX Falcon 9, carrying the SPHEREx and PUNCH missions, is scheduled to lift off on Tuesday, March 4 at 10:09 p.m. ET.
Millions of years ago, our Solar System traveled through a densely populated galactic region and was exposed to increased interstellar dust.
SPHEREx hopes to solve some of the universe's biggest mysteries, while PUNCH will study the sun’s outer atmosphere, the ...
This stunning photo was taken on January 29, 2025, from 265 miles (425 km) above the Pacific Ocean. Pettit, a seasoned ...
The moon, the Milky Way, Saturn, Venus, Jupiter Mars, Neptune, Uranus and comet C/2024 G3 are all visible at once in ...
Milky Way photography can yield some stunning shots from here on Earth. But what if you had a vantage point at some 400km ...
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