Space Astronomers create dazzling, elaborate map of nearby Sculptor galaxy By Associated Press Published June 18, 2025, 10:08 a.m. ET ...

Astronomers have finally tracked down missing "ordinary" matter, which they discovered hiding as gas spread out in the vast expanses between galaxies.

Astronomers have long estimated that ordinary matter – basically, anything other than dark matter – makes up only a fraction of the known universe.

Astronomers have finally tracked down missing "ordinary" matter, which they discovered hiding as gas spread out in the vast expanses between galaxies.

Astronomers discovered a new class of cosmic explosions known as "extreme nuclear transients" that are the most powerful phenomena known, aside from the Big Bang.

Astronomers detect most powerful explosions since Big Bang 'Extreme nuclear transients' are 10 million times rarer than a standard supernova. By Andrew Paul Published Jun 4, 2025 3:39 PM EDT ...

Astronomer Edward Ashton is no exception, even though he has helped to discover 192 of them—he thinks that’s the total, anyway, after pausing to do some mental math.

May 21 (UPI) -- A mysterious beam of light seen in the night sky over Arizona and neighboring states was likely caused by a Chinese rocket, an astronomer said. The light sparked speculation online ...

Apples-to-apples comparisons in the distant universe are hard to come by. Whether the subject is dwarf galaxies, supermassive black holes, or "hot Jupiters," astronomers can spend months or years ...

Astronomer Inc., a startup that helps organizations move data between their applications, has secured a $93 million funding round. The company announced the Series D investment today.