Observations explore the halo of Centaurus A

Archival optical image (at 468 nm wavelength) of NGC 5128 taken with the UK Schmidt Telescope…

Chinese astronomers discover a high-velocity star ejected from globular cluster Messier 15

3D representation of the backward orbits of J0731+3717 and the globular cluster Messier 15. Credit: Huang…

Would astronauts’ kidneys survive a roundtrip to Mars?

Credit: Mikhail Nilov from Pexels The structure and function of the kidneys is altered by space…

Researchers explore how the immune system goes awry during space travel and the implications for human aging on Earth

Credit: Unsplash/CC0 Public Domain As long as humans have been traveling into space, astronauts have experienced…

On the top of immense volcanoes, a briefly icy landscape

CaSSIS image of a clear, slightly bluish area due to frost in the volcanic crater (caldera)…

Landing on Pluto may only be a hop, skip and jump away

Artist’s depiction of the Pluto Lander mission design. Credit: B. Goldman / Global Aerospace Corporation There…

Scientists spot more Milky Way-like galaxies in early universe, advancing our understanding of how galaxies were formed

Some of the spiral galaxies studied by the researchers in the study. Credit: Vicki Kuhn University…

Combined X-ray surveys and supercomputer simulations track 12 billion years of cosmic black-hole growth

Researchers have provided the best modeling to date of the growth of the supermassive black holes…

Wind from black holes may influence development of surrounding galaxies

An artist’s impression of a quasar wind (in light blue) being launched off of the accretion…

‘Flares’ and ‘echoes’ from the Milky Way’s monster black hole

Michigan State University researcher Grace Sanger-Johnson found nine previously undiscovered X-ray flares from Sagittarius A*, the…