Astronomers have uncovered a massive new trans-Neptunian object, 2017 OF201, lurking at the edge of our solar system. With an ...

The U.S. planetary science community is sounding the alarm about plans to discard a nuclear technology that has powered dozens of NASA missions over the past 50 years ...

NASA’s Hubble Space Telescope has snapped images of a recently discovered interstellar visitor hurtling through our solar ...

On Episode 176 of This Week In Space, Rod Pyle and Tariq Malik are joined by Alan Stern to talk about what is next in deep ...

The immensity of space makes it impossible for humans to discover every hiding place the universe holds. Its infinitude makes ...

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

Astronomers continue to track the third-ever discovered interstellar object, comet 3I/ATLAS, as it moves through our cosmic ...

The comet is known as 3I-Atlas and is currently 238 million miles from Earth. According to NASA, the comet is expected to ...

The award-winning PBS science series, NOVA, a production of GBH, will premiere an epic new five-part series, SOLAR SYSTEM, Wednesdays, beginning October 2 at 9pm ET/8C on PBS.

OSIRIS-REx samples from Bennu contain stardust older than the Sun, preserving clues to the solar system’s earliest history.

The universe is full of surprises, but two discoveries in the outer solar system are dominating astronomy news this week. First, astronomers reported yesterday that they have found a distant, tiny ...

A study published in April describes the most accurate measurement yet made of the center of the Solar System.