Sedna, a distant dwarf planet three-quarters the size of Pluto, is inching toward the brightest star in our sky — and in 2076 ...

How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...

The planets in order from the Sun are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. If you include the ...

Life outside the Earth is one of the biggest "what if" in history, but NASA is trying to put a end to the discussion - or add ...

The sun will eventually become a red giant, engulfing Earth in about 5 billion years. More solar energy hits Earth in one ...

In the outer reaches of our solar system, far beyond the orbit of Pluto, lies Sedna, one of the most mysterious objects ever ...

What methods can be used to identify subsurface oceans on the five largest moons of Uranus: Ariel, Umbriel, Titania and ...

Astronomers confirm TOI-5573 b, a rare, miniature Saturn-like planet orbiting a small star, challenging theories of planetary formation.

Ceres holds plenty of water to sustain life and can also act as propulsion fuel. A study has proposed building a space elevator on the dwarf planet to draw out this water.

Ceres rotation Animation shows the rotation of the Ceres dwarf planet in the middle of the asteroid belt ...

This new dwarf planet may exist at the edge of the solar system, possibly disproving Planet Nine's existence. This is the story of that newly encountered planet.