One million alien visitors from another star system could already be lurking in the solar system. We aren't talking about ...

The SPHEREx telescope will create the most colorful map of the cosmos, while the four satellites of the PUNCH mission track ...

Early in our Solar System’s history, bits of icy debris were scattered and then gradually coaxed into a spiral alignment in ...

The Solar System is a vast and varied landscape offering an array of planetary and moonscape phenomena unlike anything found ...

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

The stars as seen from Earth would have looked dimmer 14 million years ago, as the solar system was in the middle of passing ...

Simulated stellar explosions show that massive early stars could have created plentiful water for future stars and planets to ...

Update: Delayed again. Now targeting Friday, March 7 for launch and March 6 for prelaunch news briefing. NASA and SpaceX are ...

The U.S. space agency's megaphone-shaped SPHEREx - short for Spectro-Photometer for the History of the Universe, Epoch of ...

The entire solar system, ours at least, sits inside a pocket of low density called the Local Hot Bubble (LHB). This cavity in space is 1,000 light-years across, at least, and tips the thermometer at ...

Water was present just a couple hundred million years after the Big Bang, according to a new study, shaking up the timeline ...