NASA's Roman Space Telescope has received its Optical Telescope Assembly, paving the way for its mission to explore the ...

A compound lens forged by two galaxies is helping astronomers get a bead on the Hubble Constant and dark energy.

New observations suggest that the universe’s oldest galaxies are brighter than expected. Here's why this may be a big deal.

Some minerals in lava could suggest water is nearby.

Astronomers have identified three ultra-massive galaxies -- nearly as massive as the Milky Way -- already in place within the first billion years after the Big Bang. This surprising discovery was made ...

An international team of astronomers has identified three ultra-massive galaxies—each nearly as massive as the Milky ...

A new study suggests galaxies in the early universe appear much larger and brighter than expected, precisely as predicted by ...

All the major elements of NASA’s next flagship space telescope are now under one roof as NASA says its development remains on cost and schedule.

Perhaps the greatest tool astronomers have is the ability to look backward in time. Since starlight takes time to reach us, ...

The Hubble Space Telescope has captured a spiral galaxy under the "ram pressure" inside a massive cluster of galaxies.

Get episodes ad-free with Club TWiT at https://twit.tv/clubtwit Looking for a telescope to see planets and comets? We recommend the Celestron Astro Fi 102 as the top pick in our best beginner's ...

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