NASA scientists have uncovered an unexpected presence inside Mars, a solid mass around 373 miles in size. This finding has ...

Planets smaller than Neptune but larger than Earth, with atmospheres saturated with water vapor due to extreme temperatures, ...

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

Using data from NASA’s retired InSight lander, two separate teams of researchers found evidence of a sluggish Martian mantle ...

JWST placed new limits on planets around Epsilon Eridani and demonstrated an improved technique for spotting faint signals.

S lowly but surely, humanity is better understanding the interior of Mars and with that, what the early Solar System was like ...

Six planets are hanging out in the sky this month. It’s what’s known as a planetary parade and it’s the last one of the year.

NPR's Emily Kwong and Regina Barber of Short Wave talk about an innovation in plastic recycling, the link between smartphones and hemorrhoids and what Mars' structure and ice cream have in common.

In a recent SETI Live, SETI Institute astronomers, Dr. Franck Marchis and Dr. Lauren Sgro, discussed two rare and compelling discoveries: a newly identified interstellar comet, Comet 3I/ATLAS (C/2025 ...

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.

One of the brightest stars in the night sky seems to be orbited by a planet like Jupiter. The news is sure to cheer fans of ...

More than 85 climate scientists declared the Department of Energy’s new climate report unfit for policymaking in a ...