An altar from the Teotihuacan culture, at the pre-Hispanic heart of what became Mexico, was discovered in Tikal National Park ...

This course provides an overview of extragalactic astronomy with an emphasis on the development of large-scale structures and galaxy formation. The first part of the course deals with the development ...

Astronomers have discovered more than 300 exoplanetary systems that have three or more known planets. Most of these planets are about the same size and spaced close together, earning them the ...

If the result is confirmed, it may overturn our current theories of cosmology – and have significant consequences for the eventual fate of the universe. In extreme scenarios, evolving dark ...

So when researchers from the Dark Energy Spectroscopic Instrument, or DESI, reported in 2024 that dark energy might vary over time based on their first year of data, it shook cosmology to its core.

Such a purposeful change of the night sky into a canvas for commercial advertising “is a terrifying problem for astronomy research,” says astronomer Samantha Lawler of the University of Regina ...

New images from the Atacama Cosmology Telescope (ACT) reveal the Universe when it was about 380,000 years old. The new ACT pictures of the so-called Cosmic Microwave Background (CMB) add higher ...

Research by the Atacama Cosmology Telescope collaboration has ... Flower Professor of Astronomy at the University of Pennsylvania, and ACT’s deputy director. “The apparent extent of ripples ...

Findings from the Dark Energy Spectroscopic Instrument (DESI) suggest that dark energy could be evolving over time. If they're right, cosmology will need a new model.

For decades, the debate over abortion rights has been framed as a moral and ethical battle. “Abortion is murder,” pro-life advocates insist, emphasizing their concern for human life. But what ...

With that idea in mind, as a historian of science, my best answer to the question of what the first scientists discovered is Babylonian astronomy. The Babylonians lived from about 2,500 to 4,000 ...