An asteroid the size of a skyscraper is approaching Earth at 24,136 miles per hour. The giant asteroid will be at its closest ...

NASA’s IMAP mission, led by Princeton University’s David McComas, will study the heliosphere — the invisible electromagnetic ...

The milestone highlights the accelerating rate of discoveries, just over three decades since the first exoplanets were found.

A giant space rock the size of New York's Chrysler Building will make a close pass by Earth Thursday, and it could get even ...

A research team led by geophysicists at UC San Diego's Scripps Institution of Oceanography provides an explanation for ...

The composition of crystals in volcanic rocks changes with their ages in ways that correlate with the Solar System’s ...

Earth will move between Saturn and the sun this weekend, offering prime views of Saturn in what's known as "opposition." Here's what to know.

Venus’ surface is pocked with round, crown-like features known as coronae. The more-or-less round features can look like ...

A sci-fi idea is gaining supporters, from billionaires to city councils. Whether it's feasible is another matter.

A team of scientists has investigated how Earth’s twin became so inhospitable, and whether the same will happen to our planet ...

The math is brutal. With the global population projected to hit 10 billion by 2050, experts warn we will need to produce at ...

Astronomers have discovered the raw ingredients of planets orbiting two infant stars, offering a glimpse into how new worlds ...