Planet Nine, also called Planet X, has never been caught on a telescope (Picture: Getty Images/Science ... planet seven times the mass of Earth tucked just behind Pluto. Despite possibly being ...

A team of researchers believes these mysterious masses might be the buried remains of a lost planet ... picture of how cosmic collisions shape planets. As we continue to probe Earth’s interior ...

astronomers Konstantin Batygin and Mike Brown in January 2016 announced research that provided evidence for a planet about 1.5 times the size of Earth in the outer solar system. However ...

(Photos: Getty images)Thus, metals like gold and platinum arrived on Earth while our planet was still forming. Korenaga explains, ‘About 4.5 billion years ago, Earth was hit by a Mars-sized rock ...

The product of a presidential commission led by Mr. Kennedy, the report paints a bleak picture of American children, calling them “the sickest generation in American history.” Rather than set ...

Earth’s magnetic field against the Sun’s solar wind – the mingling of particles can affect our communication systems (Picture: Shutterstock) In May last year, multiple coronal mass ejections ...

we’re reminded that our solar system holds more surprises than we ever imagined.While Mars is often the most commonly discussed planet with water beyond the Earth, in 2012, NASA scientists ...

Though it will never fly to the moon, NASA's test unit for a lunar terrain vehicle (LTV) is helping inform the design and development of the commercial rovers now vying to go there. NASA's ...

Earth's orbital distance from the sun is called an astronomical unit. 2017 OF201 is currently located at a distance of 90.5 astronomical units from the sun, meaning 90.5 times as far as Earth.

If the Earth could stay below that threshold, a climate catastrophe and major rise in sea levels might be staved off. But a group of scientists has demonstrated that if the world stays on course ...