Astronomy

Astronomy

A Phoenix on Mars

A new robotic lander will search the north polar region of Mars for habitability.

Astronomy

Massive minis

Astronomers have discovered a puzzling group of galaxies in the early universe that are as tiny as babies but as massive as full-grown adults.

Astronomy

Pioneer 10’s puzzling motion: a lot of hot air

The slow-down of the Pioneer spacecrafts may be caused in part by the way they radiate heat, new data shows.

Astronomy

BOOK LIST | Archimedes to Hawking: Laws of Science and the Great Minds Behind Them

Pickover, who has authored 40 books on many aspects of science and mathematics, discusses how the works of great minds from Archimedes to Stephen Hawking have changed humankind’s understanding of the universe. BIG IDEAS, AND BIG THINKERS, IN COSMOLOGY Oxford University Press, 2008, 514 p., $27.95.

Astronomy

Solving a cosmic ray conundrum

Astronomers say they have solved a puzzle about the most energetic particles that smash into Earth.

Astronomy

In the Beginning: More early clues for life at home, out there

Astronomers move closer to understanding how life arose on Earth and how it could arise elsewhere.

Astronomy

From Dark Matter to Light

Recent surveys of the shapes, colors, and masses of galaxies have put a new focus on the nitty-gritty of galaxy formation—the complicated physics of the interaction of gas.

Astronomy

State of the Universe: Microwave glow powers cosmic insights

Radiation left over from the Big Bang offers researchers unprecedented cosmic understanding.

Astronomy

Supernova Outbreak: X rays signal earliest alert

Thanks to a lucky break and an overactive galaxy, astronomers report the earliest detection yet of a normal supernova—the explosive death of a massive star.

Astronomy

Web Special: Supernova Outbreak—X rays signal earliest alert

MARCH 5 — Thanks to a lucky break and an overactive galaxy, astronomers report the earliest detection yet of a normal supernova—the explosive death of a massive star. Advance article from March 8 issue.

Astronomy

Urgently Wanted—Star Counters

Through March 8, an organization known as GLOBE at Night is asking for help tallying celestial bodies in the constellation Orion. Designed as a teaching aid, this star-counting program aims to emphasize the loss-of-darkness throughout the globe, a problem which hinders ground-based astronomy. Students, families, and the general public can report their results online by […]

Astronomy

Hefty Find: Density has starring role in making stars massive

Astronomers find new insights into how massive stars form.