The Solar System, comprising the Sun and the objects that orbit it, is estimated to be approximately 4.57 billion years old. This age is determined through various scientific methods, primarily focusing on the analysis of meteorites and other celestial bodies. The consistent results from these independent methods provide a high degree of confidence in this figure.

The DJI Mini 5 Pro is the best sub-250g drone ever made and now $500 off at Amazon; this Fly More Combo bundle packs in extra batteries, an LCD remote and more!

NASA will give an update about its Artemis 2 moon launch plans today (March 12), and you can watch it live.

Our sun and a host of "solar twins" may have migrated away from the core of the Milky Way galaxy together long ago, potentially making the solar system more hospitable to life.

Firefly Aerospace's Alpha rocket launched for the seventh time ever today (March 11), bouncing back from two explosive mishaps in 2025.

Discovery and Location

The Kuiper Belt, sometimes referred to as the Edgeworth-Kuiper Belt, is a circumsolar disk in the outer Solar System, extending from the orbit of Neptune at approximately 30 astronomical units (AU) out to about 50 AU from the Sun. It is similar to the asteroid belt but is much larger—20 times wider and 20 to 200 times more massive. Like the asteroid belt, it primarily consists of small bodies, but unlike the asteroid belt's rocky and metallic composition, Kuiper Belt Objects (KBOs) are primarily composed of frozen volatiles, often referred to as "ices," such as methane, ammonia, and water.

Merging black holes and neutron stars have unusual oval orbits prior to colliding and merging, which challenge the laws of physics.

Northrop Grumman's first "Cygnus XL" cargo ship will depart the International Space Station Thursday morning (March 12), and you can watch the action live.

Voyager Technologies is backing lunar habitat developer Max Space with a new multi-million-dollar investment aimed at accelerating development of expandable modules for future missions to the moon.

The disk of gas that spirals onto a newborn magnetar wobbles, creating "bumps" in the brightness of the supernova that accompanied this object's birth.

'The scope of 'Starfleet Academy' in terms of design, art direction, visual effects, practical effects, and graphics is massive.'

Our how-to for observing a meteorite through a microscope.

A new image captured by the Very Large Telescope reveals stars and gas orbiting the "invisible giant" at the heart of our galaxy.

Autobots, roll out – out of the way, that is, because War Machine is proving how to do human vs intergalactic machine conflict better.

New images from NASA's DART asteroid-smashing mission show space rocks exchanging material in a slow process that reshapes their surfaces over millions of years.

Ready to launch your support? Check out this stellar collection of space-flight merch I've personally picked to back the amazing team of the NASA Artemis 2 mission.