NASA’s latest space telescope has officially begun its mission—and it’s already proving to be a powerful new eye on the ...

A NASA space telescope on a mission to map millions of galaxies has turned on its detectors for the first time, capturing ...

A long-simmering disagreement over the universe’s present-day expansion rate shows no signs of resolution, leaving experts ...

Just about everyone has heard of NASA’s Hubble Space Telescope — not too surprising considering that it has been with us for ...

SPHEREx is somewhat similar to the Webb telescope as it also observes the universe in infrared light, which is invisible to the eye but can be felt as heat. With its six detectors, it can break down ...

NASA's SPHEREx (short for Spectro-Photometer for the History of the Universe, Epoch of Reionization and Ices Explorer) has ...

Let's celebrate April first as "Healthy Skepticism Day", especially with fantastical astronomy stories and images online ...

GS-z13-1, marks the earliest sign yet spotted of the era of cosmic reionization at 330 million years after the Big Bang.

Scientists are using an array of instruments to detect other planets, some of which may harbor life—and others that most ...

Using Hubble's Wide Field Camera 3 instrument, astronomers captured this recent up-close view of the SMC, full of twinkling ...

Webb captured an Einstein ring formed by a distant galaxy's light bending around a closer one. This rare alignment magnifies ...