Cosmology

Artist's illustration of NASA's WMAP mission mapping the Cosmic Microwave Background. Credit: NASA / WMAP Science Team

Astronomy History How WMAP mapped the early Universe

NASA WMAP mission podcast

Radio Astronomy Podcast 20 years of NASA's WMAP mission

Astronomer Heino Falcke pictured in front of an image of the black hole in galaxy M87.

Interview How we photographed the black hole in M87

How dwarf galaxy Tucana II is changing our view of the early Universe

Loops and blobs of cosmic dust in elliptical galaxy NGC 1316. Credit: NASA, ESA, and The Hubble Heritage Team (STScI/AURA)

Where is all the cosmic dust?

Harlow Shapely and Heber Curtis. Credit: Mark Garlick / Science Photo Library / iStock / Getty Images / Bettmann Allegheny Observatory Records, University of Pittsburgh

Astronomy History The Great Debate

Chanda Prescod Weinstein

Radio Astronomy Podcast Disordered Cosmos, with Chanda Prescod-Weinstein

Harlow Shapely and Heber Curtis. Credit: Mark Garlick / Science Photo Library / iStock / Getty Images / Bettmann Allegheny Observatory Records, University of Pittsburgh

Podcast: How the Great Debate changed astronomy forever

Galaxy NGC 4424, as seen by the Hubble Space Telescope. Credit: ESA/Hubble & NASA

How do we measure distance in space?

Listen to an episode of the Radio Astronomy podcast in which NASA's Jamie Bock discusses the SPHEREx mission.

Radio Astronomy Podcast How SPHEREx will track the history of the Universe

When we look at the night sky, how far back in time can we see? Credit: Trevor Williams / Getty Images

When we look at the night sky, how far back in time can we see?

An artist’s impression shows how the Universe’s first, massive, blue stars are embedded in gaseous filaments. Credit: N.R.Fuller/National Science Foundation

How did the first stars affect the evolution of the Universe?

Katie Mack hosts BBC Sky at Night Magazine's webinar The Whole History of the Universe

Online Lecture Katie Mack: The Whole History of the Universe

Archive images from the Chandra X-ray Observatory. Credit: X-ray: NASA/CXC; Ultraviolet: NASA/JPL-Caltech/SSC; Optical: NASA/STScI(M. Meixner)/ESA/NRAO(T.A. Rector); Infrared: NASA/JPL-Caltech/K. Su

Eye On The Sky Chandra X-ray images reveal the beauty of the cosmos

A NASA graphic showing how COBE, WMAP and Planck have fine-tuned our view of the Cosmic Microwave Background. Credit: NASA/JPL-Caltech/ESA

What is the Cosmic Microwave Background?