NASA's Hubble Space Telescope caught a glimpse of 3I/ATLAS – again. Here's a look at the latest photo of the intriguing ...

Interstellar comet 3I/ATLAS is approaching Earth on December 19 but NASA has clarified that it does not pose any threat to ...

Later in December, the 3I/ATLAS interstellar comet will get as close to Earth as it ever will. Here's what to know.

"During the early solar system's game of cosmic billiards, Earth was struck by a neighbor,” said Dauphas. “It was a lucky shot. Without the moon's steadying influence on our planet's tilt, the climate ...

Nearly 4.5 million years ago, two large, hot stars brushed tantalizingly close to Earth's sun. They left behind a trace in ...

Space has a knack for bending our sense of scale. The Moon feels close enough to touch—after all, we see its craters with ...

Of the seven Earth-sized worlds orbiting the red dwarf star TRAPPIST-1, one planet in particular has attracted the attention ...

An encounter with a cold cloud of gas and dust could have caused our planet's "protective giant bubble" to draw back. When you purchase through links on our site, we may earn an affiliate commission.

Scientists have long believed that the Moon was formed by a massive object crashing into the Earth. But what was that thing ...

Meteorites are like a time machine and spacecraft all in one. Discover how our scientists use rare specimens in the meteorite ...

Spiral Galaxy from Kirkland et al. CREDIT Chris Kirkland and colleagues. A new study of zircon crystals from two of Earth’s oldest continents indicates that the formation of Earth’s continental crust ...