Some NASA Earth science missions have been told to prepare termination plans given the potential for major budget cuts in the ...

About 66 million years ago, an asteroid slammed into the planet, wiping out all non-avian dinosaurs and about 70% of all marine species. But the crater it left behind in the Gulf of Mexico was a ...

Yet despite the drumbeat of evidence, we still know of just one planet in the cosmos with life — the one you’re standing on.

Could a reactionless, gravity-defying propulsion system actually work? A former NASA engineer says yes, but scientists are ...

The team used more than a decade’s worth of observations of Uranus’ unique aurorae taken with Hubble and refined the planet’s ...

Terraforming Mars has been the long-term dream of colonization enthusiasts for decades. But when you start to grapple with ...

Modern continental rocks carry chemical signatures from the very start of our planet's history, challenging current theories about plate tectonics.

If the Moon were to suddenly vanish from the solar system, our home planet would suffer devastating consequences ...

Astronomers have long predicted that two orbiting white dwarfs are the cause of most type 1a supernova explosions. While the ...

After sending chills down their spines with its brief stint as the highest-risk space object ever recorded, a near-Earth ...

Each of the planets, labeled b, c, d, and e, has a mass between 20% and 30% of Earth's, making them among the smallest yet ...

When the two dense stellar remnants, known as white dwarfs, finally merge, they will trigger a Type 1a supernova, a powerful thermonuclear explosion that scientists predict will shine nearly ten times ...