At double the width of our Milky Way galaxy, this jet of radio waves is the biggest ever detected so early in the universe's ...

Gemini III with astronauts Gus Grissom and John Young became America's first two men space flight. Then in June came Gemini IV with space twins McDivitt and White up for 62 orbits. Flight landed ...

The subject of this NASA/ESA Hubble Space Telescope image is a supernova-hosting galaxy located about 600 million light-years ...

NASA's Hubble Space Telescope captures stunning image of supernova SN 2022aajn, helping astronomers measure cosmic distances ...

Moving with exquisite precision across the night sky, the spacecraft Gemini 6 tracked down its partner, Gemini 7. As the two ships edged closer to fly in formation, then circle each other in a ...

NASA’s Hubble Space Telescope has captured a stunning image of a faraway galaxy that recently hosted a supernova. This galaxy ...

By week’s end, as Gemini 7 completed its seventh uneventful day in space, the flight had indeed escaped the spine-tingling crises that enlivened—and plagued—earlier shots. But the ennui in ...