Exactly how many stars are in the universe is impossible to know because we aren't sure of its scale.
Space News & Blog Articles
Behold the 1st images from NASA's James Webb Space Telescope!
The team behind NASA's James Webb Space Telescope released some of the first images from the much-anticipated observatory on Friday (Feb. 11).
Solar Tsunami Hit Earth 9,200 Years Ago
Scientists examining ancient ice cores have found radioactive evidence of an extreme solar storm that took place in 7,176 BCE.
Photons received: Webb sees its first star – 18 times
The James Webb Space Telescope is nearing completion of the first phase of the months-long process of aligning the observatory’s primary mirror using the Near Infrared Camera (NIRCam) instrument.
UAE’s Mars Hope Team Publishes ‘Mars Atlas’
The United Arab Emirates Space Agency releases a unique comprehensive Mars Atlas of the Red Planet.
Astronomy Jargon 101: Neutrinos
The neutrino is perhaps one of the most annoying kinds of particles in all of physics. The physicist Wolfgang Pauli first proposed the existence of the neutrino to explain why the nuclear beta decay reaction appeared to violate conservation of energy and momentum. He thought that a tiny, invisible particle may carry off the extra energy and momentum.
Elon Musk shows off fully-stacked SpaceX Starship as 1st orbital launch nears
Elon Musk took to the stage to deliver what his company, SpaceX, billed as an "update on the design, development and testing of Starship." Musk described it as "really some some wild stuff."
ESA’s Vega rocket marks ten years with countdown to more powerful successor
Ten years ago today, ESA opened a new era of independent access to space with the inaugural flight of its small launcher Vega. Flying from Europe’s Spaceport in French Guiana, Vega has gone on to earn a reputation for precision and versatility in anticipation of a more capable version, Vega-C.
Space geoengineering: Can we control the weather?
Geoengineering is the use of technology to alter Earth's climate. This can take place on Earth or in space.
Deep interior of Mars might have led to the loss of the planet's atmosphere
A new study gives potential insights into how the Red Planet's magnetic field, which protected its atmosphere, faded away.
NASA space telescope spots most powerful light ever seen on Jupiter, helps solve 30-year-old mystery
NASA has detected the most energetic light ever seen on Jupiter and, in the process, solved a 30-year-old mystery.
Russia aims to rekindle moon program with lunar lander launch this July
Russia is ready to reactivate its moon exploration agenda, a former Soviet Union enterprise that ended decades ago, with the launch of the Luna 25 mission this summer.
The devil’s in the detail
Image: The devil’s in the detail
Musk foresees Florida as a home for Starship operations
Elon Musk, SpaceX’s founder and CEO, stands with a fully-stacked Starship launch vehicle in South Texas on Thursday night. Credit: SpaceX
SpaceX plans to transform parts of NASA’s Kennedy Space Center to become an operational base for the company’s super-powerful Starship launcher, while keeping a sprawling complex in South Texas as a research and development location for the heavy-lift rocket program, Elon Musk said Thursday.
This Week's Sky at a Glance, February 11 – 19
The Winter Hexagon hosts the Moon. Then Castor and Pollux nail the Moon. Then the Little and Big Dog stars arc gracefully away from it. Meanwhile in early dawn, Mercury, Venus and Mars continue as a triangle low in the southeast.
Arcturus: Facts about the bright red giant star
Arcturus is a red giant that is one of the brightest stars in Earth's night sky.
Earth from Space: Hereford, Texas
Hereford, and its surrounding colourful patchwork of agricultural fields, is featured in this Copernicus Sentinel-2 image.
ESA selects payloads for Ariane 6 first flight
ESA in close collaboration with ArianeGroup and Arianespace has selected payloads which best fit the profile of the first mission of its new generation Ariane 6 launch vehicle from Europe’s Spaceport in French Guiana.
NASA to unveil 1st images from James Webb Space Telescope today. Here's where to find them.
NASA will unveil the first-ever images from the James Webb Space Telescope and you'll be able to see them as they debut online Friday (Feb. 11).