The known universe is full of shockingly huge things. Here are the largest planets, stars, galaxies, and structures we've ...

Astronomers around the world have confirmed over 6,000 exoplanets, a milestone reached in September 2025. Billions more are waiting to be discovered.

The rate of finding these distant worlds has recently increased, with astronomers scrambling to accommodate the data ...

Pluto's unusual eccentricity and tilt is likely due to its interactions with neighboring Neptune and other giant planets, ...

Fast-forward to today: we’ve gone from one lonely planet to a catalog of thousands. The pace is accelerating. In 2015, NASA’s Kepler telescope had confirmed its 1,000th exoplanet. By 2022, the tally ...

The unusual behaviour of the 'very common' asteroid has sparked worries over our preparedness for future impact.

The first Artemis mission lasted 25 days and saw the launch of an uncrewed spacecraft in November 2022. It saw a spacecraft ...

Asteroid 2024 PT5 is considered Earth's mini-moon and may be a key target for potential asteroid mining operations.

The Administration wants steep cuts to science and technology, which fuels economic growth and bolsters national security.

The Trump administration wants steep cuts to science and technology, which fuels economic growth and bolsters national ...

A team led by the Southwest Research Institute (SwRI) compared the early impact histories of Venus and Earth, discovering that Venus experienced higher-energy impacts, resulting in an overheated core.

Annette McGivney is a Colorado-based journalist who often writes for Arizona Highways Magazine; her article in the September ...