Far smaller and closer to the Sun than it should be, Mercury has long baffled astronomers because it defies much of what we know about planet formation. A new space mission arriving in 2026 might ...

Xi Zhang, a professor of Earth and planetary science at UC Santa Cruz, has discovered that an exoplanet classed as a ...

It’s strange to think that something as ordinary as summer heat or winter cold traces back to a moment of utter chaos ...

In the study, the researchers try to take a closer look at the two planets in our solar system that are the furthest away ...

Kicking off the year’s cosmic wonders is the moon, drawing the first astronauts to visit in more than 50 years as well as a ...

A Carnegie-led team of astronomers detected the strongest evidence yet of an atmosphere around a rocky planet beyond our ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

"The Giant Leap," by astrobiologist Caleb Scharf, is an optimistic account of our widening journey into the cosmos.

Sometimes there are storms where the wind gets really strong, it might rain, or there might be thunder and lightning. Did you ...

Thirty years ago, astronomers weren’t sure planets beyond our solar system even existed. This year, NASA has confirmed its ...

In the run up to Christmas, carols fill the air. Many have an astronomical twist, singing of the “Christmas Star” from the ...

This results in a composition that is “unexpectedly chaotic and turbulent.” “These new Hubble images show that planet nurseries can be much more active and chaotic than we expected,” Kristina Monsch, ...