We like to think of our home as a nice, smooth sphere. But mapping the Earth’s gravitational field provides a different view of the planet.

Astronomers are closing in on what looks like a rare prize: a world almost the size of Earth, circling a Sun-like star at a distance that gives it a familiar, year-long orbit. The candidate, known as ...

A global constellation of neutrino detectors is creating a never-before-seen view of the radioactive elements that power ...

In just over one week’s time, Earth will gain a new celestial companion that will stay for two months in the planet’s gravitational cradle. Meet asteroid 2024 PT5, Earth’s latest mini-moon. “It is ...

Researchers discovered a new field of ancient tektites in South Australia, revealing a long-forgotten asteroid impact. These 11-million-year-old glass fragments differ chemically and geographically ...

Earth will be hosting a new guest this fall. No, it's not an alien. It's an asteroid. The space rock, which has been named “2024 PT5,” has been traveling along its normal path around the sun, but will ...

NEW YORK (AP) — Oprah Winfrey is beginning 2025 with an old favorite. She has selected Eckhart Tolle’s “A New Earth: Awakening to Your Life Purpose” for her book club, marking the first time she has ...