An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

"What If is an epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a ...

There been speculation that Donald Trump may cancel the Space Launch System rocket which Nasa intended to use to get from the ...

Its immense heat and radiation can be very dangerous, which is why it is good that we are a distance away from it that we are ...

An asteroid the size of a school bus ... intersect with that of the Earth—even if they do cross where our orbit is in terms of the distance from the Sun, they usually pass harmlessly well ...

Meteors are leftover pieces from broken asteroids and comet particles that spread out in dusty trails orbiting the sun. Each year, Earth passes ... is so limited compared with most meteor showers ...

Solar storms pose a rising threat to power grids, satellites, and communications. Experts call for urgent preventive measures ...

Know dates and details This slight variation in Earth's orbit plays a crucial role in the planet's climatic patterns but has minimal impact on the Sun’s apparent size. For stargazers ...

Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

Earth reaches perihelion this morning at 8 A.M. EST, when our planet’s not-quite-circular orbit brings us to our closest point to the Sun for the ... 1.2 Pollux. Compare their colors carefully ...

The sun's distance from Earth changes throughout the year but ... astronomers actually observe (5,557 seconds of arc per century compared to the actual 5,600 seconds of arc per century), according ...

Because it’s so highly reactive, phosphorus is never found as a free element on Earth ... Our Sun Has An Abundance Of Phosphorus The sun has a relatively high amount of phosphorus when compared ...