A new survey of 500,000 stars finds only 0.28% host close-in giants, showing how aging Sun-like stars drag their planets to destruction.

On October 30 and November 1, Daichi Fujii, an astronomy curator at the Hiratsuka City Museum in Japan, used his telescope to capture pinprick-sized flashes on the shaded side of the moon. Were the ...

Is a sun a star or a planet? While science now agrees the sun is a star, new telescopes may soon challenge how we define ...

Long ago, before galaxies formed into shapes we are familiar with today and before planets formed, the earliest stars ignited ...

Is there anything more dramatic than an exploding star? More than just extraordinarily bright, energetic events that can ...

A new study suggests mysterious water worlds may be manufacturing their own oceans through chemical reactions deep within ...

NASA scientists have detected traces of water on the mysterious interstellar object 3I/Atlas, sparking new discussions about the possibility of life elsewhere in the universe.

There are now over 10,000 satellites in orbit, more than at any point in history, and this growing number is starting to ...

When evaluating possible planets out of the thousands out there, explained Prof. Bean, scientists look for liquid water as a main guiding principle. “All life on Earth needs liquid water, no matter ...

A distant gas giant the size of 10 Jupiters is now the first planet outside Earth's solar system to be mapped in three ...

The Habitable Worlds Observatory (HWO) is slated to be the next Great Observatory for the world. Its main focus has been ...

Scientists have discovered a rare six-planet system, HD 110067, where all planets orbit their star in perfect mathematical ...