Space
- Planetary Science
Pluto’s landscapes come into view as New Horizons closes in
The New Horizons spacecraft sees surface markings and a possible polar cap on Pluto as it closes in for a July encounter.
- Astronomy
Tiny explosions add up to heat corona
Millions of mini-explosions every second on the sun could solve the riddle of why the sun’s atmosphere is so much warmer than its surface.
- Planetary Science
The Martian Diaries
Curiosity has explored Mars for over two and a half years. What if NASA's rover kept a scrapbook?
- Astronomy
Lit-up gas clouds hint at galaxies’ violent pasts
Voorwerpjes, tendrils of gas that orbit galaxies, continue to glow tens of thousands of years after being blasted with ultraviolet radiation.
- Astronomy
Astronomers celebrating Hubble’s past focus on its future
Astronomers celebrate the 25th anniversary of the Hubble Space Telescope by reflecting on its diversity and looking ahead to the future.
- Astronomy
Cosmic threesomes make some galaxies run away
Extremely rare, free-floating galaxies called compact ellipticals may have been ejected from their home clusters after a massive intergalactic meet-up.
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- Astronomy
Cosmic rays misbehave in space station experiment
A puzzling feature in a new cosmic ray census may force physicists to rethink which cosmic objects send these speedy particles hurtling across the galaxy.
- Astronomy
Color differences could recalibrate cosmic acceleration rate
Color differences in a class of supernovas could lower estimates of how much dark energy is in the universe.
- Planetary Science
Before moon landings, scientists thought dust or crust might disrupt touchdown
Moon dust didn’t swallow spacecraft as was suggested in the 1960s. Successful exploration since that has changed our view of the moon.
- Astronomy
A look back in time reveals Milky Way’s evolution
A sample of galaxies covering 11 billion years of cosmic history helps astronomers document how the Milky Way evolved.
- Astronomy
X-rays offer early warning for solar flares
X-rays shot out by the sun foretell the intensity of an upcoming solar flare, new research suggests.
