New observations support the idea that hot, diffuse threads of gas called cosmic filaments connect clusters of galaxies ...

Two studies fill in gaps about the cosmos’s ordinary matter. One maps it all, even the “missing matter.” The other details one of its hiding spots.

A vast filament of gas stretching across the cosmos may help solve the mystery of the Universe’s missing matter. Astronomers ...

In an extraordinary leap forward for astrophysics, astronomers have achieved a momentous breakthrough with the first direct ...

Sunspot region 4114 has unleashed its most powerful solar flare yet — an X1.9 class that erupted late June 19, triggering ...

Astronomers have discovered a huge filament of hot gas bridging four galaxy clusters. At 10 times as massive as our galaxy, the thread could contain some of the universe's 'missing' matter, addressing ...

Astronomers using the NASA/ESA Hubble Space Telescope have studied a giant filament of dark matter in 3-D for the first time. Extending 60 million light-years from one of the most massive galaxy ...

Matter in intergalactic space is not randomly scattered - it forms a vast network of filamentary structures that make up the ...

These cosmic filaments contain 12 trillion solar masses of 10-million-degree gas, helping solve the "missing matter" mystery.

The Young Astronomy Photographer of the Year was awarded to two 14-year-old boys from China—Runwei Xu and Binyu Wang—who captured the vibrant colors of the Running Chicken Nebula.

The team used the Multi-Unit Spectroscopic Explorer (MUSE) on the European Southern Observatory’s Very Large Telescope in ...