Hubble trouble: Can you handle the cosmic challenge?

On February 25, 2024, XRISM used its Resolve instrument to observe the neutron star GX13+1, which is the core of a once larger star that has burned out. GX13+1 is a bright X-ray source. These X-rays ...

Did stars and galaxies give rise to black holes, or was it the other way around? New research may challenge ideas about how ...

Long before galaxies sparkled in the sky or stars took shape, invisible forces stirred in the early Universe. One of those forces—magnetism—emerged in ways scientists are only now beginning to ...

Astronomers from the International Center for Radio Astronomy Research (ICRAR), in collaboration with international teams, have made a startling discovery about a new type of cosmic phenomenon. The ...

We still don't fully understand what triggers lightning. A new study suggests that showers of cosmic rays may be the missing link. Cosmic rays may offer an out-of-this-world answer to a long-standing ...