Less than four years after its showstopping launch, the James Webb Space Telescope is facing massive budget slashes that will ...

A new study using NASA 's James Webb Space Telescope has revealed a variety of light coming from the black hole Sagittarius A* — or rather its accretion disk, the ring of rapidly spinning material ...

Observations revealed ongoing fireworks featuring short bursts and longer flares. Imagine solar flares, but magnified to an ...

Unpredictable bursts of light are pulsing from the debris surrounding Sagittarius A*, offering new insights into the ...

H3+, known as "the molecule that made the universe," plays a crucial role in interstellar chemistry and the birth of stars.

The James Webb Space Telescope has captured new imagery of supernova remnant Cassiopeia A. It is 11,000 light-years away in ...

Astronomers will use the Webb telescope to closely monitor the size and trajectory of an asteroid that has a slim chance of ...

New data shrank the odds that this asteroid will hit Earth, but astronomers will continue to study it. Here’s what you need ...

Such a dramatic cut to a flagship space telescope still in its prime will be felt across the mission's entire operations, ...

Sensational "city killer" headlines aside, NASA and the European Space Agency reported the asteroid "has a very small chance" ...

Astronomers have discovered that many infant stars born in stellar nurseries of the early universe may have preferred "fluffy" stellar blankets.

Between spotting galaxies that shouldn't exist, capturing the interstellar medium with unprecedented clarity, and identifying ...