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

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

A SpaceX Falcon 9 launch on Sept. 23 will send three spacecraft a million miles from Earth to map the heliosphere and expand ...

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

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

This collection brings together research on bodies that span the astronomical size spectrum, from meteors to planetary giants. Work on both space exploration and the potential for sustenance of life ...

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 ...

Follow the night sky throughout the course of a year, and you’ll start to pick out some patterns. The stars all seem to march in lock step across the sky. They rise in the east and set in the west, ...

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 ...

Astronomers may have identified the largest-known solar system outside of our own. Two independent teams of astronomers report on arXiv.org that the star KIC 11442793 has seven planets, the most found ...