Spectroscopy of other stars has led to most discoveries of exocomet systems. In research led by University of Colorado ...

Potential impactors are most likely to have low velocities and the highest likelihood of hitting Earth during the winter.

"The discovery of this stream highlights how much is still unknown about the life histories of galaxies, how the hidden ...

For the first time, scientists have built a digital version of the Milky Way that follows the motion of individual stars, not ...

A nested series of dusty spirals is captured swirling around a mighty triple star system containing two of the rarest stars ...

NASA 's James Webb Space Telescope has revealed that an exceptionally rare star duo in the Milky Way has a third companion — ...

NASA released a trove of never-before-seen images of the interstellar comet 3I/ATLAS, unveiling new characteristics of the ...

F rom the very first images, JWST showed that it was going to be a revolutionary instrument, and yet it continues to surprise ...

An interstellar trespasser known as 3I/ATLAS is almost certainly a comet. So, why do so many people think it's ...

Webb's mid-infrared image shows four coiled shells of dust around a pair of Wolf-Rayet stars known as Apep for the first time ...

Astronomers have, for the first time, confirmed a colossal coronal mass ejection from a distant star, a blast so powerful it ...

Webb unveils Apep's swirling dust “serpents,” revealing a rare triple-star system carving perfect spirals across 700 years of ...