Astronomers using NASA’s James Webb Space Telescope may have spotted a gas giant planet orbiting Alpha Centauri A.

Using data from the James Webb Space Telescope, astronomers have discovered dormant galaxies with a wide range of masses in the first billion years after the Big Bang, moving one step closer to ...

Alpha Centauri’s possible new gas giant is too hostile for life itself but could have icy moons worth exploring.

Young galaxy WISEA J0948+0318 never made the front page of any astronomy journal—until the James Webb Space Telescope caught ...

NASA is launching the second phase of its moon recycling competition to clean up trash in space, including plastics, foams ...

NASA has shared new details about 3I/ATLAS. It is an interstellar object moving at 209,000 km/h. Hubble images show it is ...

SpaceX on Monday launched two dozen Kuiper Internet satellites into orbit Monday on its 100th mission of 2025.

Astronomers have found the strongest evidence yet of a giant planet in the "habitable zone" orbiting a star in the nearest ...

NASA's Hubble Space Telescope has captured the sharpest images ever taken of 3I/ATLAS as it makes its way into the inner solar system.

Fast radio bursts (FRBs) last around a millisecond and in doing so encode otherwise unattainable information on the plasma ...

In a galaxy far, far, far away, astronomers have found the oldest black hole in the universe. It sits at the center of the CAPERS-LRD-z9 galaxy, and it’s thought to have formed over 13.3 billion years ...

If finding exoplanets around our nearest stellar neighbor were easy, astronomers would have mapped Alpha Centauri’s planetary system long ago. Instead, the search has required a blend of technical ...