First Encounter
The New Horizons spacecraft is closing in on Pluto, with its closest approach scheduled for July 14, as depicted in…
The New Horizons spacecraft is closing in on Pluto, with its closest approach scheduled for July 14, as depicted in…
Mercury, the Sun’s innermost planet, is one of the darkest major bodies in the solar system. It reflects less than…
The New Horizons spacecraft snapped this view of Pluto (bottom) and its largest moon, Charon (top) from a range of…
The near-death of a massive star created this vast peanut-shaped cloud of gas and dust, known as the Homunculus Nebula.…
Mariner 4 became the first spacecraft to visit Mars when it flew within 6,000 miles of the planet’s surface on…
First Eyes on Mars Read More »
The Cassini spacecraft will take a quick shower on October 28, when it flies through the plumes of water and…
After recovering from a computer glitch that shut down science operations for three days, New Horizons snapped this image of…
The Pleiades star cluster, also known as the Seven Sisters, is one of the most famous objects in the night…
Giant bubbles of hot gas erupt from the core of the Milky Way galaxy in this artist’s concept. The galaxy’s…
The stars appear to fall from the sky during the Leonid meteor shower of 1833, as depicted in this contemporary…