NASA confirms the existence of TOI‑1846 b, a nearby hot super-Earth that could contain water, initially observed by NASA's TESS telescope.

From asteroids the size of football stadiums to nuclear war and man-made pandemics, it can seem as if humankind is in ...

The planet’s rotation fluctuates as it travels around the sun, and measurements suggest we’re losing more than a millisecond ...

The Earth is predicted to make its fastest rotations on July 9, July 10, July 22 and August 5, according to a Time and Date ...

During a record-breaking flight through the sun’s corona in Dec. 2024, NASA’s Parker Solar Probe captured the closest-ever ...

Several planets stand still in the sky, Titan’s shadow transits Saturn, and Venus gives Taurus a second eye in the sky this ...

Most people think a day on Earth is just the time it takes for the planet to make one full rotation on its axis, but that’s ...

We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.

July 9 was unusually short thanks to changes in how fast the Earth is spinning. But two other days this summer are expected ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

As Earth spins faster than it has in decades, atomic clocks are catching the difference, and shorter days are on the horizon.

The interstellar comet 3I/Atlas is the fastest and largest of its kind, giving astronomers a rare glimpse into extrasolar ...