Space Exploration

First published findings from NASA’s New Horizons mission lay out the dwarf planet’s wildly varying terrain

Alan Stern, principal investigator of NASA’s New Horizons Mission, explains that with Pluto in the rearview mirror, the spacecraft will continue on to a smaller Kuiper Belt body

Astronomers have detected faint light that dates from shortly after the big bang

No extant technology exists to protect a traveler from the potentially deadly doses of radiation on Mars

The blockbuster film’s futuristic vision of interplanetary exploration could soon be out of date

Once thought of as a lush alien world teeming with life and later dismissed as an arid, desolate orb, the Red Planet’s salty, liquid water just might aid in the search for extraterrestrial life

Proposals include a hunt for near-Earth objects, a dive into Venus’s atmosphere and a voyage the metallic core of a protoplanet

Space agency pulls support for Sentinel mission as decision on rival nears

A new study of fragments from the Chelyabinsk meteor reveal that it went through at least eight impact events spread across the last 4.5 billion years before it ended up impacting Earth

ASTROSAT aims to study star-birth regions and high-energy processes, including binary star systems of neutron stars and black holes

The Mars Reconnaissance Orbiter found evidence that flowing water causes suspicious dark streaks on the Red Planet

The risk of microbial contamination could prevent humans and even robots from visiting the most promising parts of the Red Planet