One possibility is that a rogue planet, about 1–2 times Earth’s mass, influenced their paths early in the solar system's ...

Potentially deadly comets could be spotted many years in advance by following the meteoroid trails they leave near Earth, new ...

2024 may be a record-shattering year of intense heat, not just for us humans, but also for our planet. In this very year, we ...

This year won’t just be the hottest on record—it could be the first to surpass 1.5 degrees Celsius. The Paris climate accord ...

Computer simulations of the gravitational interactions of solar system bodies suggest that a hypothetical Earth-like planet explains all of those anomalies. It would need to be around 1.5–3 ...

"Asteroids and comets with a perihelion distance (closest to the Sun) less than 1.3 astronomical units (AU), or approximately ...

From time to time, when Earth's tectonic plates shift, the planet emits a long, slow belch of carbon dioxide. In a new ...

The European Space Agency's Hera craft, en route to an asteroid, recently captured footage of our planet and the moon, set ...

COP 29 talks are expected to focus on how to generate trillions of dollars to help the world transition to clean energes like wind and solar, and thus avoid continued warming ...

Climate scientists have long identified 1.5º of global temperature rise as a grave milestone for avoiding disaster ...

The average distance from the surface of the planet to its satellite is ... them makes its closest approach to Earth relative to the rest, at about 1.5 million miles from the surface.