A Weakened Black Hole Allows Its Galaxy to Awaken

Astronomers have confirmed the first example of a galaxy cluster where large numbers of stars are…

The Measurements Of The Expansion Of The Universe Don’t Add Up

Physicists use two types of measurements to calculate the expansion rate of the universe, but their…

The Violent History Of The Magellanic Clouds

Two peacock-shaped gaseous clouds were revealed in the Large Magellanic Cloud (LMC) by observations with the…

A Runaway Star Ejected From The Galactic Heart Of Darkness

Astronomers have spotted an ultrafast star, traveling at a blistering 6 million km/h, that was ejected…

NICER Catches Record-setting X-ray Burst

NASA’s Neutron star Interior Composition Explorer (NICER) telescope on the International Space Station detected a sudden…

Galactic Fountains And Carousels: Order Emerging From Chaos

Scientists from Germany and the United States have unveiled the results of a newly-completed, state of…

TESS Presents Panorama Of The Southern Sky

The glow of the Milky Way — our galaxy seen edgewise — arcs across a sea…

Hubble Views a Not-So-Lonely Galaxy

Galaxies may seem lonely, floating alone in the vast, inky blackness of the sparsely populated cosmos…

Astronomers Catch Wind Rushing Out Of A Galaxy

Exploring the influence of galactic winds from a distant galaxy called Makani, UC San Diego’s Alison…

The Jack-o-Lantern Nebula

A carved-out cloud of gas and dust looks like a celestial jack-o’-lantern in this image from…