The moon and Venus will shine vividly alongside a bright star in the early morning in a celestial rendezvous that should be ...

The search for life on Mars dates back about five decades, and a Sept. 10 announcement marks perhaps the most dramatic ...

That raises the possibility that the TRAPPIST-1e exoplanet could also have liquid water and therefore support life.

The closest technological species to us in the Milky Way galaxy could be 33,000 light years away and their civilization would ...

Astronomers have discovered the raw ingredients of planets orbiting two infant stars, offering a glimpse into how new worlds ...

Astronomers were fascinated after spotting an object from interstellar space hurtling through the solar system earlier this ...

Mathematicians calculated where the planet might be based on its effects on Uranus, and astronomers searched for less than an ...

Some planets may be soot-rich rather than water-based. Atmosphere studies will be key to understanding their true nature. Astronomers generally consider water worlds to be among the most common types ...

The official number of exoplanets—planets outside our solar system—tracked by NASA has reached 6,000. Confirmed planets are added to the count on a rolling basis by scientists from around the world, ...

In early 2025, the world observed a rare planetary parade event that won't be seen again until 2040. On the last day of February, seven planets appeared to align at the same time, creating a rare ...

Researchers say at least one out of every five people on the planet was noticeably affected by our warming world. Earth had ...