Earth and our entire Milky Way galaxy may sit inside a mysterious giant hole which makes the cosmos expand faster here than in neighboring regions of the universe, astronomers say.

The survey’s prioritization of research activities will be based on the committee’s consideration of identified science priorities; broad national operational observation priorities as identified in U ...

Pluto will reach its closest approach to Earth and align opposite the Sun on July 25, appearing slightly brighter (magnitude ...

Scientists have uncovered ancient secrets buried deep beneath the surface of the moon, thanks to China’s Chang’e-4 mission.

By imagining Earth at the center of a celestial sphere, he used a coordinate system similar to latitude and longitude, which had recently been devised, to measure the precise positions of the stars.

Closer to Earth, astronomers have discovered 1 million asteroids in our solar system and expect to discover 5 million more in the next few years. First published on June 23, 2025 at 11:24 a.m. PT.

by Charles C. Lee and Frank H. Ling Publication date 2025-06-18 Usage Attribution-NonCommercial-ShareAlike 4.0 International Topics science, solar system, earth axial tilt, seasons, groks Language ...

Like monarchs, Bogong moths use the Earth’s magnetic field for their long journey. They combine the magnetic compass with visual cues or markers, though researchers did not know what these were.

In what can be called a truly unique accomplishment, scientists seem to have detected a 13 billion-year-old signal using Earth-based telescopes. This feat allow them to see how the first stars ...

So far, it has been found only in one location on Earth. But scientists have finally worked out how it formed, which might lead to more deposits or better ways to extract it.

Earth's magnetic field and oxygen levels have increased more or less in parallel over the past 540 million years, suggesting the two factors are linked in some way, researchers say.

So far, Lauretta’s team has found only one viable follow-on target for OSIRIS-REx: the near-Earth asteroid Apophis, which will make a close approach to Earth in April 2029.