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11, 2025 — A new study presents a compelling new model for the formation of super-Earths and mini-Neptunes -- planets that are 1 to 4 times the size of Earth and among the most common in our galaxy.

After decades of searching, astronomers have uncovered some of the strongest evidence yet of exoplanets orbiting Barnard’s ...

the protective bubble surrounding our solar system, and increased the influx of interstellar dust, potentially influencing Earth's climate and leaving traces in geological records. An ...

The work included simulations spanning 4.6 billion years, starting from the Solar System’s formative days ... Subscribe to our newsletter for engaging articles, exclusive content, and the latest ...

The discovery that helium and iron can mix at the temperatures and pressures found at the center of Earth ... how our planet formed. Primordial helium from the beginning of the solar system ...

The entire solar system, ours at least, sits inside a pocket of low density called the Local Hot Bubble (LHB). This cavity in space is 1,000 light-years across, at least, and tips the thermometer at ...

There is no hint that stepping into a star-forming region is tied to catastrophic scenarios. The solar system appears resilient, and Earth has seen multiple cosmic events over billions of years. In ...

Our solar system has always seemed a vast place, even to the most ancient astronomers who knew little of the universe other than what the sun, moon, and stars could reveal to the naked eye.

The study estimates that around 10 interstellar meteors from Alpha Centauri may already be entering Earth’s atmosphere each year. Alpha Centauri is moving towards our solar system and is expected to ...

Earth formed over 4.5 billion years ago from a swirling cloud of gas and dust squished together by gravity. That same cloud gave rise to our entire solar system, including our star, the sun.