Add Yahoo as a preferred source to see more of our stories on Google. Early theories suggested they could be massive early galaxies or dust-covered black holes. Early Amazon Spring Sale deals on Apple ...

The discovery of Earth-sized planets outside our own solar system has completely changed our way of viewing the universe, but ...

Next week, the NASA Goddard Space Flight Center will be unveiling its newest space telescope: the Nancy Grace Roman Space ...

The combined observations in visible and infrared light reveal new details about the planet's atmosphere and rings. Hubble's images help track seasonal changes, while Webb's infrared vision probes ...

NASA has used the James Webb Space Telescope to uncover a world deep in the cosmos that is acting like a "hot pocket" that never cools down, no matter what.

Known as Population III stars, they are made of almost pure hydrogen and helium.

Astronomers have spotted a bizarre cosmic explosion that refuses to play by the rules—and it’s leaving scientists scrambling for answers. GRB 250702B, detected by NASA’s James Webb Space Telescope and ...

Captured by Webb’s NIRCam, composite images use infrared filters to sample light wavelengths. Monochromatic exposures were assigned the colors red, green and blue ...

Who knows what the telescope will discover next?

AUSTIN (KXAN) — Astronomers have discovered a bizarre new planet covered by molten lava and surrounded by a sulfur‑rich atmosphere that smells like rotten eggs. The newly characterized exoplanet, ...

LONDON — Like tiny photobombers, cosmic anomalies resembling small, bright red points show up in almost every snapshot taken by the most powerful space telescope ever made. Astronomers now call them ...