Space News

The European Space Agency (ESA) is exploring the idea of treating muscle loss in astronauts with brief electrical impulses.

Astronomers have measured the Universe's expansion rate and found that various methods don't agree, and their error bars don't overlap. This is called the "Hubble Tension" or the "Crisis in Cosmology." Either the measure...

Blazars occupy an intriguing spot in the cosmic zoo. They’re bright active galactic nuclei (AGN) that blast out cosmic rays, are bright in radio emission, and sport huge jets of material traveling in our direction at n...

The X-Ray Imaging and Spectroscopy Mission (XRISM) is ready to launch on 7 September 2023 to observe the most energetic objects and events in the cosmos. In doing so, it will unveil the evolution of the universe and the ...

ESA plans to set a target launch period for the first Ariane 6 in October, with the hopes that vehicle can finally take flight "not too late" into 2024. The post ESA to set target for first Ariane 6 launch after upcoming...

If we're going to look for life on other worlds, why not start with the one planet we know has life? Earth's atmosphere is rich with oxygen and molecules such as methane, which strongly suggest the presence of life. It a...

This huge ball of stars--around 100 billion in total--is an elliptical galaxy located some 55 million light-years away. Known as Messier 89, this galaxy appears to be perfectly spherical; which is unusual for elliptical ...

The U.S. Space Development Agency in the coming months will begin the demonstration phase of a data network in space designed to support military operations. The post DoD satellites in low Earth orbit promise more connec...

India's Chandrayaan-3 lunar rover and lander have completed their primary mission goals and have been placed into sleep mode ahead of the upcoming two-week lunar night.

Millisecond pulsars are amazing astronomical tools. They are fast-rotating neutron stars that sweep beams of radio energy from their magnetic poles, and when they are aligned just right we see them as rapidly flashing ra...

Validation testing continues for ESA's all-new Ariane 6 launch vehicle, with firing of its two upper stage engines to simulate the way they will have to operate together during a flight.

The new fifth edition of the indispensable "NightWatch: A Practical Guide To Viewing The Universe" lands on Sept. 7.

A guide to all the official activities coming for "Star Trek" Day 2023 landing Sept. 8

Chinese space scientists have outlined a tentative roadmap for establishing a space resources utilization network stretching into the outer reaches of the solar system. The post Chinese scientist proposes solar system-wi...

Take your chance to meet astronauts, view spacecraft and peer behind the scenes of Europe's space adventure at our ESA Open Day at ESTEC in the Netherlands on Sunday 8 October. Registration is now open.

Finding more debris from stellar explosions will tell us about how heavy elements are distributed across the galaxy.

A new method to detect Baryon Acoustic Oscillations in the universe could help measure cosmic distances more accurately.

The OSIRIS-REx spacecraft will soon return to Earth. What's on board could reveal the extraterrestrial origins of life on Earth.

Video: 01:00:57 Watch the replay of the media briefing and the question-and-answer session outlining the progress achieved and the upcoming steps in the Ariane 6 development test campaign. Updates are given on tests cond...

A Crew Dragon spacecraft splashed down of the coast of Florida early Sept. 4, bringing back a crew from the United States, United Arab Emirates and Russia who spent six months on the International Space Station. The post...

India's Chandrayaan-3 lander and rover have been set to sleep for the onset of lunar night, days after the country successfully launched its Aditya L1 solar mission. The post India's moon lander set for nighttime as sola...

When it comes to disclosing information and informing taxpayers how it handles their money, the European Space Agency has far fewer obligations than NASA. But is such status justified?