From Pluto’s tilted orbit to rogue asteroids, discover the chaotic leftovers of solar system formation. This video explains NASA’s DART mission, why some planetary orbits defy predictability, and ...

NASA discovered a massive comet, 3I/Atlas, traveling at 240,000 km/h through our solar system. This video details its immense size, interstellar origin, and what studying it reveals about planetary ...

On Thursday, Princeton University celebrated its leading role in NASA’s IMAP mission, highlighting how faculty and students are collaborating to study the boundary of our solar system and improve ...

The Princeton-led NASA mission has officially begun its science mission to study the sun and everything it touches. Princeton marked the occasion with a panel discussion, science talks and a reception ...

A brilliant fireball streaked across the skies over South Louisiana Monday evening, captured on video by multiple viewers and ...

Every winter, thousands of tourists travel to high-latitude regions like Scandinavia, Canada, and Alaska hoping to see the Aurora Borealis or Northern Lights. Vincent Ledvina, an aurora guide and Ph.D ...

Massive stars, reaching the end of their lives, turn into red supergiants and explode as supernovae, the brightness of which ...

In the distant reaches of the solar system are many icy objects that resemble snowmen. Now, a new study reveals the simple ...

To uncover the history of our solar system, it is necessary to study the dynamic evolution of the ancient solar nebula materials. These materials interacted and coevolved with the weak but widespread ...

Microscopic crystals extracted from meteorites could help settle a debate about the birth of our patch of the Milky Way.

Active small bodies—including comets, active asteroids, icy minor planets, and transitional objects—occupy a unique position in planetary science. As ...

A new paper in Monthly Notices of the Royal Astronomical Society argues the simplest answer may work: contact binaries like Arrokoth can form directly during the gravitational collapse of a dense ...