In 1776, the solar system only had 6 planets. Now, it has 8. Does it end there?
As the United States prepares to celebrate its 250th anniversary, the history of the solar system tells its own story of exploration.
Notícias
Acompanhe as Notícias da Recifes
Fique por dentro das últimas novidades sobre tecnologia, negócios e empreendedorismo.
'PROMISE' me the moon? NASA wants to send spare nuclear-powered Mars rover to the lunar su
NASA has announced new lunar landing contracts for its Artemis Moon Base program, as well as a potential new moon rover mission named PROMISE.
‘Just in time for Canada Day’: Spacewalking astronauts repair space station’s huge Canadar
Expedition 74 flight engineers Chris Williams and Jessica Meir conducted a seven-hour spacewalk to replace a wrist joint on the International Space Station's Canadarm2 robot arm on June 30, 2026.
Caltech Welcomes Astrophysicist Ray Jayawardhana as New President
Ray Jayawardhana begins his tenure today as the 10th president of the California Institute of Technology. His selection as Caltech’s president, and as the Sonja and William Davidow Presidential Chair and professor of astronomy, was announced Jan. 6. Jayawardhana succeeds Thomas R
'Rocket's Red Glare': How NASA's Artemis 2 moon mission celebrated America's 250th birthda
NASA joined in the semiquincentennial celebrations this year by painting "America 250" on the rocket that launched the Artemis 2 astronauts around the moon.
This weird 'hot Jupiter' exoplanet has a hotspot in the wrong place, and astronomers aren'
Astronomers have discovered a curious new exoplanet that challenges assumptions about hot Jupiters, some of the most extreme planets in the universe.
The growing number of satellites in orbit could soon make telescopes obsolete. 'For astron
If the number of satellites in Earth's orbit exceeds 100,000, humanity may lose its ability to study the universe from the planet's surface. Some companies want to put millions into space.
NASA Seeks Volunteers for New Yearlong Simulated Moon, Mars Mission
NASA is recruiting research participants for the agency’s next simulated deep space mission. Beginning no earlier than August 2027, research volunteers will spend one year living and working in interplanetary environments at the agency’s Johnson Space Center in Houston, operating
NASA’s Chandra Examines Milky Way at Arms’ Length
A new result using NASA’s Chandra X-ray Observatory shows that the outer spiral arms in the Milky Way galaxy may reach wider than previously thought. This finding may lead astronomers to adjust their understanding of our home galaxy’s structure. A team of astronomers made this di
Good Morning, Earth!
NASA astronaut Chris Williams took this photo of an orbital sunrise from the International Space Station on June 26, 2026. In 24 hours, the space station makes 16 orbits of Earth, traveling through 16 sunrises and sunsets. Learn more about the orbiting laboratory. Image credit: N
Apollo 11 landing site, a cosmic Eagle and a blue-white star: 4 night sky targets to celeb
From the Apollo landing site to the North America Nebula, these celestial sights offer a uniquely American way to celebrate the nation's 250th birthday.
NASA’s Artemis II Breaks Agency Streaming Record
NASA’s live coverage of the Artemis II mission mission drew unprecedented public interest – including more than 149.4 million views of the launch, lunar flyby, splashdown on NASA-owned platforms, including the 24/7 streams covering the mission and the Orion spacecraft views – dem