The discovery of the dwarf galaxy Andromeda XXXV --located roughly 3 million light-years away and the smallest yet found in the Andromeda system -- is forcing astronomers to rethink how galaxies ...

Andromeda XXXV is only about 20,000 times more massive than our Sun—very small, even for a satellite galaxy. For comparison, ...

Andromeda XXXV, the smallest and faintest galaxy ever observed. Located three million light-years away, this miniature galaxy ...

Launched Tuesday night from California by SpaceX, the Spherex observatory will survey the sky every six months from an orbit over Earth's poles.

Following a checkout period lasting one month, the observatory – which measures 8.5 feet tall, 10.5 feet across, and weighs 1,107 pounds – will capture a ...

SPHEREx hopes to solve some of the universe's biggest mysteries, while PUNCH will study the sun’s outer atmosphere, the ...

NASA’s SPHEREx mission has successfully communicated with Earth, marking the start of an ambitious journey to map the cosmos.

NASA has launched the SPHEREx telescope to uncover the ingredients for life in our galaxy, as well as the PUNCH mission to study the sun’s mysteries.

"We thought they were basically all going to be fried because the entire universe turned into a vat of boiling oil." ...

The Flame Nebula, located 1,400 light-years from Earth, is a region where many stars are forming and is less than a million ...

This NASA/ESA Hubble Space Telescope image of a vibrant spiral galaxy called NGC 5042 resides about 48 million light-years ...