Polymele and its small moon: how an occultation revealed a satellite about 5 km across
On March 27, 2022, the Lucy mission science team observed a stellar occultation by Polymele, a Jupiter Trojan asteroid. Of the 14 teams that repo...
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On March 27, 2022, the Lucy mission science team observed a stellar occultation by Polymele, a Jupiter Trojan asteroid. Of the 14 teams that repo...
NASA announced on October 15, 2026, that registration is open for the NASA Space Apps Challenge 2026. The global hackathon will take place on Sat...
NASA scheduled Crew-13, a SpaceX flight carrying four crew members to the International Space Station, for October 1, 2026, at 11:10 a.m. EDT. It...
Observations by the Vera C. Rubin Observatory in April and May 2025 identified 19 very fast-rotating asteroids. One of them, 2025 MN45, has an es...
NASA announced on September 23, 2026, that PRIMA, the first mission of its new Probe Explorers class, is advancing to Phase B of development. Its...
The James Webb Space Telescope identified Beta Pictoris d through molecular signals, not merely as a bright spot. Its mass and orbit remain estim...
A study published in Nature Astronomy uses radio occultation measurements from the Juno spacecraft to derive Jupiter’s shape while accounting for...
The erratic movement of planets in the night sky challenged the geocentric view for centuries. The transition to heliocentrism, driven by Coperni...
NASA reported that Dextre, attached to the Canadarm2 robotic arm, carries CODEX. The instrument captured images of the solar corona and measured...
Firefly Aerospace’s Blue Ghost Mission 1 landed on March 2, 2025, near Mons Latreille in Mare Crisium, carrying NASA science and technology paylo...
Robotic exploration encompasses machines with different tasks: from observing other worlds to flying on Mars. What do sources describe regarding...
NASA’s exoplanet page says that more than 6,300 worlds have been confirmed in the Milky Way. The figure sums up three decades of discoveries, but...
James Webb Space Telescope observations of Abell2744-QSO1, an object known as a “little red dot,” made it possible to directly measure the mass o...
Dark matter makes up 27% of the universe and does not interact with light, but its gravity curves spacetime. NASA’s Nancy Grace Roman mission wil...
On October 13, 2026, SpaceX’s CRS-35 mission successfully launched from Florida. The Dragon spacecraft is carrying more than 6,300 pounds of supp...
On October 4, 1957, the Soviet Union launched Sputnik I, the first artificial satellite. At the height of the Cold War, US leaders voiced concern...
Stars are born in clouds of gas and dust, and spend most of their lives fusing hydrogen into helium. But they do not all follow the same pace: lo...
High-contrast observations with the NIRC2 instrument at the W. M. Keck Observatory confirm Elias 2-24 b, a previously proposed planetary candidat...