The faraway exoplanet could help provide answers as to why there are hardly any planets with twice the diameter of Earth.

The private Fram2 mission is launching later today, sending a crew of amateurs to an unprecedented polar orbit—a frontier ...

Astronomers used ALMA to observe Proxima Centauri and found frequent, intense flares that could destroy atmospheres of nearby ...

New research suggests that life could have the time and energy to arise on Earth-like worlds in the rapidly shrinking ...

The findings provide strong evidence that four giant exoplanets 130 light-years from Earth formed much like Jupiter and ...

Dark matter is a confounding concept that teeters on the leading edges of cosmology and physics. We don't know what it is or ...

Our planet's closest and brightest neighbor will pass approximately between the Earth and sun this week, in what's called an ...

Contrary to what you may intuit, the Earth's gravity isn't uniform, and there's one place where it's much weaker than anyone ...

Lake Salda, in southwestern Turkey, bears a close resemblance to Mars' Jezero crater, which is currently being sampled by ...