Scientists believe giant impacts – like the one depicted in this artist’s concept – occurred on Mars 4.5 billion years ago, injecting debris from the impact deep into the planet’s mantle. NASA’s ...

Astronomer and Pluto mission leader S. Alan Stern explores how the field has transformed during his decades-long career.

The morning sky boasts the two brightest planets. Jupiter rises soon after midnight and is well up in the south-southeast sky ...

For this new Picture of the Month feature, the NASA/ESA/CSA James Webb Space Telescope has provided a fantastic new view of IRAS 04302+2247, a planet-forming disk located about 525 light-years away in ...

In a first, astronomers imaged a baby planet within a gap in the disk of material around a star, confirming predictions about how rings form.

Astronomers have discovered a brand new type of planet outside our solar system that, even in its infancy, is already bigger ...

New models suggest that Ceres, the asteroid belt's largest object, once had a radioactive core that could have sustained life ...

I am a professor of astronomy at the University of Wisconsin-Madison. In 2020, my colleagues and I discovered the first intact planet orbiting around a white dwarf. Since then, I’ve been fascinated by ...

France, Britain and Germany threaten to trigger the “snapback mechanism” that automatically reimposes all U.N. sanctions on ...

Choosing how to live in a way that truly helps our overburdened planet can be difficult. Researchers at DTU have calculated ...

Six planets are hanging out in the sky this month in what’s known as a planetary parade. Catch the spectacle while you can because it’s the last one of the year.

A study of young stars with planet-forming disks could explain why some exoplanets and planets in the Solar System have tilted orbits.