Compound, or catadioptric, telescopes combine lenses and mirrors for a compact option, suitable for both planetary and ...

Scientists reconstructed 540 million years of sea level changes, showing Earth's oceans rose and fell by hundreds of feet ...

The model Kite’s team built was unique in that it captured evolution of the Martian landscape and climate over an extremely ...

The search for habitable exoplanets is a key priority and sits at the pinnacle of exoplanet science. The science community ...

Trans-Neptunian objects (TNO) are some of our solar system's lesser-known objects. They number in the thousands, and they get ...

A giant gas planet comparable in size to Saturn exists around a small red dwarf star. The discovery is beyond the scope of ...

A new paper by members of Earth4All’s scientific advisory team published today in Global Sustainability models two starkly different futures for humanity this century: one defined by escalating crises ...

New simulations reveal that an ancient ocean of magma located above the Earth's core continues to shape the planet's ...

A key method of forming planets finally has observational evidence, thanks to a network of radio telescopes in the U.K. that ...

New research from HKU geologists suggests that Earth's first continents were born not from plate tectonics, but from deep ...

A newly discovered comet, 3I/ATLAS, may be the most ancient visitor ever detected, potentially older than our solar system itself. Unlike previous interstellar objects, this ice-rich comet seems to ...

I/ATLAS might be over 7 billion years old, a new study reports, which would make it the oldest comet known. But experts caution we need more data.