NASA’s Hubble Space Telescope captured a deeper look at interstellar comet 3I/ATLAS, with its Wide Field Camera 3 instrument, ...

NASA has released a batch of images from the Chandra X-ray Observatory that they have dubbed "razzle-dazzle across space." ...

New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.

Scientists are testing a novel way to measure cosmic expansion using time delays in gravitationally lensed quasars. Their ...

NASA has finished building the Nancy Grace Roman Space Telescope, completing assembly of the agency’s next flagship ...

The record-setting cosmic outburst was actually a gamma-ray burst, the most powerful class of cosmic explosions.

The Wide Field Camera 3 instrument gives the telescope the ability to capture a panchromatic view of objects flying through ...

A sudden X-ray flare from a supermassive black hole in galaxy NGC 3783 triggered ultra-fast winds racing outward at a fifth the speed of light—an event never witnessed before. Using XMM-Newton and ...

The galaxy's discovery challenges our understanding of how galaxies were formed in the early period after the Big Bang.

This NASA/ESA Hubble Space Telescope image features the spiral galaxy NGC 4535, which is situated about 50 million ...

NASA observed GRB 250702B, a record-setting gamma-ray burst lasting days, likely caused by a black hole consuming a star, ...

No, not that Nancy Grace. NASA's newest space telescope, named after the agency's first Chief of Astronomy, is physically ...