Why a rocky planet with three suns has astronomers' attention

Planets that are even a little like Earth are hard to find. That's why when astronomers like Jennifer G. Winters come across a body that may be solid, rocky, and possibly have its own atmosphere, they get excited. And especially ...

Saturn's rings shine in Hubble's latest portrait

Saturn is so beautiful that astronomers cannot resist using the Hubble Space Telescope to take yearly snapshots of the ringed world when it is at its closest distance to Earth.

Black hole movies coming soon, says leading astronomer

By the time an international group of scientists stunned the world with the first ever image of a black hole, they were already planning a sequel: a movie showing how massive clouds of gas are forever sucked into the void.

Hawaii or Spain? Telescope experts say it may not matter

When starlight from billions of years ago zips across the universe and finally comes into focus on Earth, astronomers want their telescopes to be in the best locations possible to see what's out there.

A new lens for life-searching space telescopes

The University of Arizona Richard F. Caris Mirror Laboratory is a world leader in the production of the world's largest telescope mirrors. In fact, it is currently fabricating mirrors for the largest and most advanced earth-based ...

Hawaii telescope protests draw supporters to defend project

A giant telescope planned for Hawaii's tallest mountain will enhance humanity's knowledge of the universe and bring quality, high-paying jobs, supporters said as protesters blocked construction for a second week.

New space discovery sheds light on how planets form

Researchers at Dartmouth College have discovered a planet orbiting one of the brightest young stars known, according to a study published in the journal The Astrophysical Journal Letters. Aged at approximately 45 million ...

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