Follow the pioneering spacecraft’s final descent to the bizarre surface of the distant space traveler
Astronomers are racing to get the first historic image of another possibly Earth-like planet. Here’s how they’ll do it
A protein from microscopic creatures called tardigrades keeps their DNA protected—and could someday shield humans from radiation.
If confirmed, the icy Jovian moon’s eruptions could offer new pathways for exploring its subsurface ocean
A science fiction novel published in 2013 pegged some of the most salient details for our nearest neighboring exoplanet
Cracks are showing in the dominant explanation for dark matter. Is there anything more plausible to replace it?
A blip of energy picked up by a Russian radio telescope might have been nothing more than a satellite passing overhead—or even a software glitch
Astronomers find an exoplanet that could be habitable—and it’s as close to us as it could possibly be
NASA’s first sample-return mission to an asteroid could be vital for understanding life’s origins and shaping its future
A thermal spike linked to the solar system’s largest storm explains weather on gas-giant planets
A new film presents an innovative plan to image potentially habitable planets around our sun's closest stellar neighbor—Alpha Centauri
A new theory suggests the Red Planet once had a spectacular lunar system. Lee Billings reports.
New results from Dawn spacecraft fuel debate on whether the dwarf planet is a habitable oasis between Mars and Jupiter
Juno, NASA’s new mission to Jupiter, reaches the giant planet on July 4, 2016. Among its many firsts, Juno will peer deeper than ever before beneath the Jovian clouds and will deliver the first interplanetary LEGO kit...
A next-generation space telescope is in the works—but if it is to see potentially habitable planets, it will need to block out their suns
The Milky Way’s home supercluster of galaxies is far bigger than previously known
More than a third of humanity cannot see the Milky Way due to light pollution, and a new wave of energy-efficient lighting could make the problem much worse
The successful technology demonstration paves the way for detecting mergers of supermassive black holes with future space-based observatories
The wealthy technologist claims some of the world’s top experts on Earth-threatening asteroids are guilty of bad science
Evidence indicates that waves as tall as skyscrapers and thousands of kilometers wide once washed over the Red Planet.