The Earth started as a mixture of gas and dust around the Sun and grew as it collided with asteroids and dust particles.

Meanwhile, astronomers are keeping watch for a rare nova—a sudden explosion of a distant star—that could appear to the naked eye sometime in the coming months. When it happens, the nova will ...

Curious Kids is a series for children of all ages. If you have a question you'd like an expert to answer, send it to ...

The great poet T S Eliot has said April is the cruellest month of the year But to this astrologer April means tremendous energy combative spirit and the sap which makes trees grow In other words April ...