The first rockets: what the archives can tell us
Historical records can help reconstruct the beginnings of rocketry, provided we distinguish what the documents say from what has yet to be establ...
Editorial archive
Historical records can help reconstruct the beginnings of rocketry, provided we distinguish what the documents say from what has yet to be establ...
Black holes are concentrations of matter packed into very small regions. Although they are not observed like ordinary luminous objects, astronome...
Space rockets can combine solid-fuel boosters with liquid-fuel engines. Here is what official sources say—and what they do not establish—about SL...
A cautious review of missions and observatories mentioned in institutional pages from NASA, ESO and NOIRLab. The available dates and descriptions...
A NASA page lists a total solar eclipse from Greenland for August 14, 2026. The European Space Agency, meanwhile, provides coordinates and speed...
NASA describes a system with one star, eight planets, five dwarf planets and thousands of other bodies. Missions such as IMAP and New Horizons in...
Ancient astronomy cannot be reduced to a list of dates or discoveries. One thread running through its history is the systematic observation of th...
The Republic of San Marino has joined the Artemis Accords, an international framework promoting peaceful, transparent and responsible space explo...
Institutional archives can help locate sources for studying the history of space exploration. The available information describes collections and...
The study of 3I/ATLAS expands what is known about objects arriving from beyond the Solar System. Its clues about origin are suggestive, but do no...
A careful guide to the 2026 astronomical calendar: the dates NASA provides, the events it flags for August, and the information still needed to p...
The available evidence records a NASA claim about DART and Didymos, but includes no publication date, measurements or technical explanation. Here...
The Solar System includes far more than the planets orbiting the Sun. NASA’s figures include hundreds of moons, more than a million asteroids and...
The available information distinguishes a NASA mission with a planned launch date from three ESA proposals still in a selection process. It does...
NASA and the European Space Agency provide different routes into the history of space exploration. What their archives contain—and what the refer...
A study of 3I/ATLAS’s composition offers clues about the environment in which it may have formed. Here is what the available information supports...
A cautious guide to some of the celestial events highlighted for 2026: what is known, and what still needs checking before planning an observatio...
A new image from the Hubble Space Telescope shows NGC 4698, a galaxy in the constellation Virgo. NASA released the image on September 18 and publ...