Astrophysics

Astronomers using NASA's Chandra X-ray Observatory have identified the catalyst driving recurring eruptions on volatile giant star AT 2016blu in NGC 4559.

A newly released Hubble gallery of gravitational lenses establishes the observational baseline for NASA's upcoming Nancy Grace Roman Space Telescope.

Two studies led by NASA astrophysicists detail how the upcoming LISA space observatory could detect a unique population of exoplanets across our galaxy.

Featured by NASA's Astronomy Picture of the Day, irregular dwarf galaxy NGC 4449 offers astronomers a nearby benchmark for intense galactic star formation.

NASA's Astronomy Picture of the Day spotlights the interstellar reflection mechanics connecting supergiant star Rigel and the Witch Head Nebula.

Mathematician Miloslav Druckmuller and the Solar Wind Sherpas use numerical image processing and narrowband filters to track superhot coronal iron ions.

NASA's Hubble Space Telescope captures new high-resolution imagery of globular cluster Messier 30, offering vital data on early galactic formation and stellar evolution.

NASA's Astronomy Picture of the Day highlights a tribute to the Swift mission, underscoring the transition of legacy space observatories and data archives.

A newly released NASA and ESA Hubble Space Telescope observation of Messier 30 offers a high-resolution benchmark for studying ancient galactic evolution.