The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...

ALMA(ESO/NAOJ/NRAO)/M. McClure et al. Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Here’s what you’ll learn when you read this ...

On August 24, 2006, our solar system lost a planet. It wasn't by cataclysmic destruction, but rather by the vote of the International Astronomical Union, which declared that Pluto, considered the ...

Our sun, currently in its prime, is expected to shine for another 5 billion years. Eventually, it will transform into a red giant, potentially engulfing inner planets. Afterward, it will become a ...

Here’s what you’ll learn when you read this story: Observations of the young HOPS-315 star system show an environment analogous to what our own nascent Solar System would have looked like billions of ...

With a diameter of 88,846 miles at its equator, Jupiter is the biggest planet in our solar system. It’s eleven times larger than Earth, so big in fact that its gravitational forces are thought to be ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

3I/ATLAS is called a comet. Except that, upon closer look, it doesn't look like a comet. Dubbed as an "unusually fast" ...

The comet is one of only three of its kind recorded in history. But others think there could be more to this celestial object ...

This latest study, published in the science journal arXiv, says a warping effect which was picked up in the orbits of some Kuiper belt objects suggests an undiscovered planet. According to ...

These strange objects could explain how water arrived on Earth, but may also be a previously unrecognised threat to our planet. Now, a spacecraft is headed towards one to investigate. They are some of ...

The methane gas may constitute a rarefied atmosphere, or it may come from erupting plumes on Makemake’s surface.