The solar system floats inside a vast, million-degree hot bubble—an invisible cocoon of thin gas that glows in X-ray light. Known as the Local Hot Bubble (LHB), this low-density cavity stretches more ...

Is the Moon’s slow retreat from Earth a cosmic time bomb in our planet’s relationship or an entry to the precision of modern ...

Using the Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has detected a new exoplanet ...

A new study co-led by the Smithsonian and the University of Arizona offers the most detailed glimpse yet of how Earth’s surface temperature has changed over the past 485 million years. In a paper ...

Palm trees in Alaska, crocodiles in Wyoming: Fossils show that Earth’s temperature has changed over hundreds of millions of years. Now a new study co-led by the Smithsonian and the University of ...

In a Landmark Study, Scientists Discover Just How Much Earth’s Temperature Has Changed Over Nearly 500 Million Years Researchers show the average surface temperature on our planet has shifted ...

While previous simulations of ancient Earth's climate have put the planet's average surface temperature between 14 and 26 degrees Celsius (57.2 and 78.8 degrees Fahrenheit), the new model widens ...

Over nearly half a billion years, Earth's global temperature has changed drastically, driven by carbon dioxide. ScienceDaily . Retrieved July 12, 2025 from www.sciencedaily.com / releases / 2024 ...