Astronomy

Astronomy

A giant, sleeping galaxy

An international group of astronomers has identified a rare galaxy, known only as XMM-2599, which formed very early in the history of the universe

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Photolab

Needle in a haystack

In this collage ultra-diffuse galaxies are shown by the faint white patches in the center of each square

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Careers

Space ahoy!

Engineer takes part in simulated space mission and could become Brazil’s first female astronaut

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Tourism

Travel lessons

Travel itineraries combine science learning with exploring new horizons, allowing visitors to act as research assistants on scientific studies

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Astronomy

Probe reveals origin of solar winds

The Parker Solar Probe space probe has been closer to the Sun than any other manmade object, and it is expected to get even closer over the next seven years of its mission

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Astronomy

Cosmic pretzel

Image shows system formed of two young stars entwined within discs of gas and dust filaments

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Astronomy

Saturn has more moons than Jupiter

Researchers announced the discovery of 20 new moons around Saturn, the sixth planet from the Sun

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Astronomy

Water in the atmosphere of other worlds

A group has identified water vapor in the atmosphere of planet K2-18b by studying images taken by the Hubble Space Telescope

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Interview

Daniel Kennefick: The importance of Sobral

An astrophysicist and science historian reports that without the observation of the eclipse in the city of Ceará, the experimental results of 1919 would probably have been inconclusive

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Cover

In the British expedition’s shadow

The Sobral eclipse was also observed by scientific expeditions from Brazil and the US

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Cover

When light bent

Observations of the 1919 solar eclipse from Brazil and Africa provided the first experimental proof of Albert Einstein’s theory of relativity

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Astronomy

Gravitational waves generated by a new type of collision?

Gravitational waves detected on August 14 of this year were probably generated by a collision between two different celestial bodies

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Photography

Much more than a photographer

A retrospective on Marc Ferrez brings to light his dialogue with science and expands knowledge of his work

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Astronomy

Mystery on the Moon

Near the South Pole of the Moon, on the side not seen from Earth, there is a crater of colossal proportions

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Cover

From war to space

July 20 marks the 50th anniversary of humankind’s arrival on the Moon, the final chapter of a technological and military saga filled with twists and turns

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Cover

Brazilian lunar mission

Garatéa-L project plans to put a nanosatellite into lunar orbit to study how life responds to high levels of radiation

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COVER

Returning to the Moon

The USA wants to put astronauts back on the Moon by 2024, this time with the aim of establishing a permanent settlement

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Cosmology

Visibility limit

International radio telescope array produces the first image of a black hole

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Astronomy

Unusual Stars

Researchers puzzled by recent discoveries of stars with variable brightness

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Astronautics

The private conquest of the Cosmos

A capsule of the company SpaceX flies to the International Space Station and may give the United States the capacity to put humans in orbit

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INTERVIEW

Daniel Kennefick: The importance of Sobral

An astrophysicist and science historian reports that without the observation of the eclipse in the city of Ceará, the experimental results of 1919 would probably have been inconclusive

By

Cover

In the British expedition’s shadow

The Sobral eclipse was also observed by scientific expeditions from Brazil and the US

By

COVER

When light bent

Observation of the 1919 solar eclipse from Brazil and Africa provided the first experimental proof of Albert Einstein’s theory of relativity

By and

Astronomy

Organization established to build the world’s largest radio telescope

After three and a half years of negotiation, representatives from seven countries came together to sign a treaty establishing the intergovernmental organization that will oversee construction of the world's largest radio telescope, the Square Kilometer Array

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Astronomy

A world on the edge of the solar system

Astronomers gather more evidence of another planet beyond Neptune

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Astrophysics

The young, ephemeral rings of Saturn

Two recent studies have presented new theories on their origin and probable end of Saturn's rings

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Chang'e 4

China lands probe on dark side of the Moon

China has become the first country to land a probe on the far side of the Moon

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Astronomy

Telescope measures almost all the starlight ever produced in the universe

Based on data collected by the Fermi Gamma-ray Space Telescope, an international group of astrophysicists has been able to measure almost all of the starlight produced since the universe was formed about 13.7 billion years ago

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Astronomy

Unusual Stars

Researchers puzzled by recent discoveries of stars with variable brightness

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Interview

Francis Halzen: In pursuit of neutrinos and cosmic rays

Lead scientist at IceCube observatory comments on the recent discovery of high-energy particles

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