Jeanna Bryner

Massive stars likely form just like their smaller siblings.

News of a significant amount of water on the moon boosts prospects of a lunar colony.

The star and its planet, WASP-17, are about 1,000 light-years away.

Saturn's sixth largest moon could support an ocean beneath its icy surface.

Computer simulations suggest a 1 percent chance of future planetary collisions.

If all goes well, three space missions will soon observe the Sun simultaneously.

New computer images reveal how the universe may have looked soon after the Big Bang.

Martian surface features suggest a watery, icy past.

New images of Titan reveal the extent of methane lakes.

New research reveals shock-waves storms echoing across an exoplanet.

New Venus Express data reveals evidence for the loss of water from the planet's day side.

This year was packed with discoveries, from fast-spinning black holes to loads of extrasolar planets.

More evidence suggests dark energy is real.

Scientists have imaged stars orbiting our galaxy's central black hole.

Scientists say a basic ingredient of life is abundant in our galaxy.

Venus' clouds give up some of their secrets.

A tennis-court-sized sun shield will keep the James Webb Space telescope chilled to perfection in space.

New chemical analyses suggest a comet may have been flung into the solar system from afar.

A newly discovered exoplanet sheds light on what will happen to Earth in billions of years.

A tool bag lost in space is making appearances above North America and Europe.

Astronomers have taken an infrared snapshot of a possible exoplanet.

Bubbles of hot plasma can keep black-hole growth in check.

The nitrogen and methane ice covering Eris could be the result of weather on the dwarf planet.

Astronomers announce the first-ever direct images of exoplanets.

Hefty black holes could be lurking at the centers of most, if not all, galaxies.