A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth ...

Since Pluto was relegated to dwarf planet status, almost everyone has agreed that there are eight planets in our solar system ...

High above the Sun’s blazing equator lie its mysterious poles, the birthplace of fast solar winds and the heart of its ...

Since the 1970s, Voyager 1 has been making groundbreaking discoveries. But its journey is far from over, and it's still ...

What makes 3I/ATLAS especially intriguing is that the comet might be three billion years older than our entire Solar System.

It came from another star and passed through our solar system at impossible speed. Astronomers scrambled to study it, but it ...

New research has found that amino acids, the building blocks of life, may have traveled to Earth on interstellar dust grains, ...

Recently, scientists discovered a number of new comets, two of which will be passing by Earth in October. Here's everything ...

ESA’s Mars orbiters captured images of the interstellar comet 3I/ATLAS as it passed close to Mars, revealing its bright, hazy ...

The 9th Interstellar Symposium at UT Austin will bring together scientists, creatives, and industry experts to discuss the ...

Hera, a European spacecraft, is halfway to the Didymos asteroid system to study the impact of NASA’s DART mission.

When NASA’s Artemis astronauts land near the moon’s south pole, they may be stepping into a region that holds vital clues to ...