Something strange is happening on the outskirts of our Solar System. It could be a large, mysterious planet. Or, it could be ...

Only three objects have ever been confirmed to come from outside our Solar System. Each one behaved differently, and none of ...

NASA’s Polarimeter to Unify the Corona and Heliosphere (PUNCH) mission launched in 2025 alongside NASA’s SPHEREx space ...

Interstellar comet 3I/ATLAS sheds millions of tons of water as it leaves our solar system. New radio scans find no signs of ...

The newly identified cluster of Kuiper Belt objects lies about 4 billion miles from the Sun, offering fresh clues about how ...

3I/ATLAS has now made its closest approach to the sun and Earth and is now heading back out toward the outer solar system. On ...

The unusual behaviour of interstellar comet 3I/ATLAS has reignited online debate, but astronomers say the gaps in public ...

Astronomers have discovered a rare in-sync solar system with six planets moving like a grand cosmic orchestra, untouched by outside forces since their birth billions of years ago. The find, announced ...

Learn how you can say farewell to comet 3I/ATLAS as it passes by Earth on Dec. 19, 2025, and what we have learned during its brief visit near Earth.

ESS2.C: The Roles of Water in Earth’s Surface Processes Water is found in the ocean, rivers, lakes, and ponds. Water exists as solid ice and in liquid form. ESS2.A: Earth Materials and Systems (3-5) ...

The upcoming year will offer a blood-red moon, spectacular meteor showers and the first glimpse of the sun’s corona since ...