Latest observations, tips, and discoveries from the cosmos
The Late Heavy Bombardment has been in textbooks for 52 years. The first rocks ever returned from the far side of the Moon show no sign it happened.
Declassified file DOW-UAP-D017 is the US Air Force's own logbook of 209 UFO sightings around America's atomic weapons sites between 1948 and 1950.
The Pentagon UFO report for 2026 is out nine months late. It logs 319 new cases, explains 114, and leaves 191 filed as unresolved.
SpaceX's Starship Flight 13 flew on 24 July 2026 and deployed 20 Starlink V3 satellites, the first cargo Starship has ever released in space. Here's what happened.
The Delta Aquariid meteor shower peaks around 29–30 July 2026, but a Full Moon spoils it. Here's how to see it from the UK, and why early August is better.
Trump has directed agencies to waive NDAs for former officials with UAP knowledge. Here's what the order does, what it doesn't, and why it matters.
A spent SpaceX Falcon 9 rocket stage will crash into the Moon on 5 August 2026 near crater Einstein. Here's when it happens and whether you can see it.
Declassified CIA report FIRK-311/01638-77 describes a bright green circular object over the Soviet Sary Shagan missile range in 1973. Here's what it says.
A Navy UFO swarm of roughly 100 airborne objects and two mystery boats off the Virginia coast is now under Pentagon investigation, a new AARO report reveals.
The asteroid that killed the dinosaurs was a rare CO chondrite from beyond Jupiter, new research shows. And it was dust, not sulphur, that did the killing.
Astronomers have found the first atmosphere on a rocky planet in a star's habitable zone. LHS 1140 b, 48 light-years away, is leaking helium into space.
India's first privately built rocket has reached orbit. Skyroot's Vikram-1 launched from Sriharikota on 18 July carrying six payloads.
SpaceX's Starship Flight 13 aborted at zero seconds on 16 July after four engines failed to light. Here's what went wrong and when it flies again.
A new planet has been discovered by NASA's James Webb telescope. Beta Pictoris d was found not by its light, but by the chemical fingerprint of its atmosphere.
Declassified file DOE-UAP-D002 shows Manhattan Project physicist James Tuck quietly investigating the Los Alamos green fireballs. Here's what it says.
The Senate Intelligence Committee has subpoenaed defence contractors over legacy UAP programmes. Here's what's known, and why the November deadline matters.
The solar eclipse on 12 August 2026 is the deepest seen from the UK since 1999, with up to 96% of the Sun covered. Times, safety and what to expect.
Reflect Orbital has FCC approval to launch its first space mirror and beam sunlight to Earth at night. Astronomers fear 50,000 could follow.
China has landed an orbital rocket booster for the first time. The Long March 10B was caught by a net on a ship at sea, a world-first technique.
NASA has UFO images it can't explain, administrator Jared Isaacman has confirmed. What he actually said, and why his Mars comment might be the bigger story.
The Pentagon's fourth UFO file release covers a nuclear site lockdown, the 1949 green fireballs and new footage from near China. Here's what's really in it.
NASA's TESS has discovered a new planet by bending spacetime: Gaia23bra b, a super-Jupiter 40,000 light-years away, found via gravitational microlensing.
How big is the Milky Way? NASA's Chandra has found two of our galaxy's spiral arms sit about 10% further out than we thought, measured with X-ray light echoes.
The oldest quasars ever discovered: ESA's Euclid telescope has found 31 from the universe's first 770 million years, including two new record-holders.