Scientists have recently unveiled an extraordinary discovery: a massive ‘interstellar tunnel’ that appears to link our Solar ...

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

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.

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

A new trans-Neptunian object, 2017 OF201, has been found with a vast orbit and potential dwarf planet size. The finding hints ...

Interstellar Comet 3I/ATLAS has shocked astronomers with its bizarre chemistry and unusual “tail.” It contains the highest ...

Astronomers have directly spotted a rare young planet, WISPIT 2b, still forming within the gap of a dusty ringed disk around ...

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

NASA’s Hubble Space Telescope has snapped images of a recently discovered interstellar visitor hurtling through our solar system. Traveling at 130,000 mph, 3I/ATLAS is the fastest comet ever observed ...

Unlike typical comets, ‘Oumuamua lacks rock or carbon-rich material. It is also much more elongated than other comets. It ...

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 ...

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 ...