Looking for a sky event this week? Check out our full Sky This Week column. January 20: Comet Schaumasse slides by some ...

The neural network approach uses multiple or “deep” layers that learn to identify increasingly complex features in data. The ...

On Christmas Day 2021, alongside other astronomers, I watched the James Webb Space Telescope (JWST) launch from French Guiana and begin its month-long journey to its destination, 1.5 million ...

Astronomers have discovered a vast, dense cluster of massive galaxies just 1 billion years after the Big Bang, each forming ...

After the Big Bang, the Universe entered a long, dark period before the first stars formed. During this era, hydrogen emitted a faint radio signal that still echoes today. New simulations show this ...

"The knowledge of these will ultimately help us understand the formation of the first stars and planets and how our own Milky ...

Known as dinosaur stars for both their primeval nature and their immense size, Population III stars existed only when the ...

Astronomers believe this barred spiral galaxy could be the oldest example of its kind ever observed. Research led by Daniel ...

For a long time, dark matter was believed to be cold after separating from the intense radiation that filled the young ...

University of Chicago astronomy and astrophysics professor Donald G. York​, who is credited with pioneering contributions to ...

New research presented at an astronomy meeting shows that active black holes are more common in dwarf galaxies than earlier studies suggested, based on a large survey of nearby galaxies.

In the bigger picture, "down" could be defined as being below the plane of the solar system, which is known as the ecliptic.