A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

YR4, an asteroid that currently has a more than 1 percent chance to hit the Earth in 2032, catching the attention of ...

The exoplanet HD 20794d swoops in and out of its habitable zone every few hundred days, making for an extreme climate.

It was in 2018, when Tesla and SpaceX boss Elon Musk took the audacious step of 'strapping' a car before launching it into ...

Astronauts Butch Wilmore and Suni Williams are conducting a spacewalk outside the International Space Station to remove ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

NASA is tracking a truck-sized asteroid which is set to hurtle by Earth today at many times the velocity of a speeding bullet. The space rock—dubbed "2025 BV5"—is estimated by NASA's Jet Propulsion ...

HD 20794 d completes its orbit just shy of two Earth years, placing it well within reach of conditions that might harbor life ...

This 2022 satellite photo shows the summit of "one of the world's most dangerous volcanoes," Mount Vesuvius, peering up ...

Despite a recent request from Trump, NASA astronauts Suni Williams and Butch Wilmore were already scheduled to return to ...

Ali Velshi explains how, amid reports of tension between Trump and Elon Musk, the president seemed to suggest sending the ...

Major astronomy body the Minor Planet Centre (MPC) was forced to list the discovery - made by a citizen scientist - as ...