Astrophysicists have been grappling with the question of how water arrived on our young planet for decades. One of the ...

Feb. 18 marks the 95th anniversary of the discovery of our outermost planet-not-planet. Here's what to know about the short ...

The threat from space rock 2024 YR4 has surpassed that of Apophis, an asteroid feared by scientists 20 years ago. The danger remains low, but experts are estimating the damage that could be done.

On the 95th anniversary of its discovery, Pluto remains one of the most beloved and enigmatic worlds in our solar system, ...

Learn more about the atmosphere of WASP-121b, or Tylos, whose winds are layered like no other planet’s.

However, you might be surprised to know that Earth is not alone in having volcanoes – in fact, it’s beaten numerically by the ...

A new study of decades worth of seismogram data shows that the surface of Earth’s iron and nickel core is more malleable than ...

Last year, astronomers discovered an unusual Earth-size exoplanet they believe has a hemisphere of molten lava, with its ...

NASA just increased the odds that “city-killer” asteroid YR4 2024 will strike our planet in 2032. The space agency claimed ...

NASA has increased the chances of asteroid 2024 YR4 hitting Earth in 2032 to 1 in 32, or 3.1%, up from 1 in 42 as reported in ...

YR4 has raised alarm as its chances of hitting Earth grow. Experts warn that a collision could release 500 times the energy ...

“New Horizons shattered a major paradigm of planetary science,” says Alan Stern, the mission’s principal investigator. “Pluto ...