Astronomy

Astronomy

Exoplanets once trumpeted as life-friendly may not exist

Two exoplanets considered among the most promising for hosting life may not exist, a new study suggests.

Astronomy

Magnetic bubbles could shield astronauts from radiation

With help from plasma and a magnet, solar storms' dangers would lessen on long space trips.

Astronomy

Feedback

Readers debate about what happens when an astronaut falls into a black hole, compare note-taking techniques, speculate on bat longevity and more.

Life

A new view of dinosaurs, a clearer view of lunar origins

Astronomy

NASA unveils space suit fit for Mars

NASA’s newly revealed Z-2 space suit is the second mock-up of a suit that NASA hopes will eventually protect explorers walking on Mars or drilling into an asteroid.

Astronomy

Star-eating star spotted

The first Thorne-Żytkow Object, a strange pair of stars where one engulfs the other, has been discovered.

Astronomy

Rare trio of supermassive black holes found

Three supermassive black holes residing where two distant galaxies collide offer new clues about where to look for gravitational waves.

Astronomy

Milky Way galaxy’s dust clouds shown in 3-D map

A new three-dimensional map of interstellar dust in the Milky Way wraps 180 degrees around the sky and extends over 16,000 light-years from Earth.

Astronomy

Galaxy seed found from 3 billion years after Big Bang

A still-growing core of a galaxy in the early universe may help astronomers understand how massive elliptical galaxies get their start.

Planetary Science

Mystery patch found floating on Titan’s seas

Changes on the surface of a methane lake on one of Saturn’s moons may signal the onset of summer there.

Astronomy

Rosetta spacecraft is closing in on comet 67P/C-G

The Rosetta spacecraft is still on track to pull up and park next to comet 67P/Churyumov–Gerasimenko in August.

Cosmology

Dazzle or dust?

The unpredictable glow of galactic dust could undermine the biggest cosmological discovery in years.