Earth has four seasons, but do other planets in our solar system also have hot summer days and cold winter nights?

So where is the planet that might possibly host life, what evidence have scientists found, and is there ... team has found DMS and DMDS with 99.7 percent certainty. But while that might sound like ...

The exoplanet K2-18b could harbor a massive ocean, but scientists will need to study the planet more to see if it’s really ...

In May 2020, astronomers for the first time observed a planet ... ring around the star following the event and an expanding cloud of cooler dust enveloping the scene. "We do know that there ...

Over the past decade or so, astronomers have speculated about the characteristics of rogue planets in the Milky Way galaxy. These "free-floating" worlds don't orbit stars, but instead roam the ...

So we've had evidence for dark energy con pretty convincing evidence that's out there ... around two brown dwarfs, or failed stars, 120 light years away. Scientists know of over a dozen planets ...

Astronomers claim they've found the most promising signs of possible life on a planet outside of our solar system.

Now a team of researchers is offering ... It was a type of planet commonly found outside our solar system, but one without any analog near Earth that scientists could study closely for clues.

A team of astronomers announced on April 16, 2025, that in the process of studying a planet around another star ... know very little about K2-18b, we do know that it is very unlike Earth.

I think we've got a lasting program that has shown its capability and the importance to everything that we do in space. Planetary defense is knowing what's out there and what could do harm to us.

A team of astronomers ... for CO 2 is certainly there.” Even if K2-18b is a Hycean world, that doesn’t mean it is habitable. Without a reflective deck of clouds, the planet’s ocean would ...